Birds That Sing at Night

Short answer

• Yes, several birds sing at night, but most birds do not. The best known night singers are the common nightingale in Europe, the northern mockingbird in North America, and the eastern whip-poor-will, a nightjar that repeats its own name through the night.
• Night singing usually has the same purposes as daytime singing: attracting a mate and defending a territory. In nightingales and mockingbirds, it is mostly unpaired males that sing after dark, and they largely stop once they find a mate.
• Not every night sound is a song. Owls hoot, nightjars chant a repeated phrase, and migrating birds give short flight calls. A true song is a longer, patterned, musical performance, usually given by a songbird.
• Moonlight, quiet air, and artificial light all shape night singing. Whip-poor-wills call more on bright moonlit nights, and city streetlights trick some daytime birds, such as robins, into singing long after sunset.
• The best time to hear night singers in temperate North America and Europe is spring and early summer, from about April through July, when breeding is under way and unpaired males are advertising hardest.

Do Birds Really Sing at Night

Most birds sleep at night, so a song at 2 a.m. can feel wrong, as if the bird has made a mistake. It has not. A small group of species sings at night on purpose, and a larger group of daytime birds sometimes does it too, especially in spring and in cities. Night singing is normal bird behavior with clear causes, and once you know which birds are responsible, the sound becomes much easier to place.

The first thing to understand is that night singers fall into two very different groups. The first group is made up of true night specialists, birds that are built for darkness. Owls hunt at night and call at night. Nightjars such as the whip-poor-will rest by day, hidden against leaf litter, and become active at dusk. The second group is made up of daytime songbirds that extend their singing into the night. Nightingales and mockingbirds belong here. They feed and live by day, but unpaired males sing through the dark during the breeding season. Robins and some thrushes join them in towns, where streetlights and daytime noise change the rules.

The second thing to understand is that the night is a good time to be heard. During the day, dozens of species sing at once, traffic hums, wind moves through trees, and people make noise. After dark, the air is often cooler and stiller, background noise falls away, and a single voice can carry a long way. For a male bird trying to reach a female that may be passing overhead in the dark, that quiet is valuable. Night singing is not a quirk. It is a strategy, and for the birds that use it, it works.

This article profiles the main night singers, explains the difference between a song and a call, and sets out the reasons birds sing at night, from mating and territory to moonlight, migration, and light pollution. It also explains how to identify a night singer by ear, and when to listen. For what birds do when they are not singing, see our guide to where birds go at night, and for how they rest, see how birds sleep.

Song Versus Call: The Distinction That Matters

People use the words song and call as if they mean the same thing, but ornithologists draw a clear line between them, and the line matters for this topic. A song is a longer, patterned, often musical vocalization, usually given by a male songbird to attract a mate or defend a territory. A call is shorter and simpler: a chip, a hoot, a whistle, or a repeated phrase used for contact, alarm, or keeping a group together. Many of the sounds people hear at night are calls, not songs, and calling them songs can lead to the wrong identification.

The nightingale and the mockingbird are true singers. Their night performances are long, varied, musical, and clearly songs in the strict sense. The whip-poor-will is a borderline case. Its repeated three syllable phrase is rhythmic and persistent, and it serves the same purposes as a song, advertising and territory defense, but it is a simple repeated call rather than a varied melody. Cornell Lab of Ornithology describes the whip-poor-will as a nocturnal bird with a loud, distinctive voice, and its famous chant is best thought of as a songlike call.

Owls are firmly on the call side of the line. A barred owl hooting “Who cooks for you? Who cooks for you all?” is giving a territorial and contact call, not singing a melody. The same is true of a great horned owl hooting from a rooftop, or a screech owl giving its soft, descending trill. These are calls, and they are some of the most common night sounds in North America. They are worth knowing, but they are not songs, and an article that lists every owl as a singing bird is stretching the word too far.

Migrating birds add a third category: flight calls. Many songbirds migrate at night, and as they fly they give short, sharp calls that help them stay in contact with other birds in the flock and judge their position. These calls are brief and functional, nothing like a perched song, but on a still night in spring or autumn they can be heard from the ground as faint chips passing overhead. They are one reason why a listener sometimes hears bird sound at night without being able to find a bird nearby. The singer is not in the garden at all. It is hundreds of meters overhead, on its way somewhere else.

Keeping these categories straight makes identification much easier. If the sound is a long, changing melody, think nightingale or mockingbird. If it is one phrase repeated without change for minutes on end, think whip-poor-will or another nightjar. If it is a hoot or a screech, think owl. If it is a faint chip that moves across the sky, think of a migrant in flight.

Why Birds Sing at Night

Birds sing at night for the same reasons they sing by day, with a few extra pressures added by darkness, moonlight, and modern cities. The reasons below overlap, and a single night singer may be driven by several at once.

Attracting a mate

Mate attraction is the strongest and best documented reason. In both nightingales and mockingbirds, the birds that sing at night are mostly unpaired males, and they largely stop once they pair up. Research on nightingales found that males sang at night before pairing, stopped nocturnal song once paired, and resumed it if their mate deserted, while unmated males sang at night through the breeding season. The pattern is hard to explain any other way. Night song is an advertisement aimed at females, and the dark gives it a special advantage: female nightingales searching for a mate prospect mainly at night, visiting several singing males, and the timing of their searching matches the hours when unpaired males sing most.

The same logic applies to mockingbirds. Cornell Lab of Ornithology notes that northern mockingbirds sing all through the day and often into the night, and that most nocturnal singers are unmated males, which sing more than mated males during the day too. A male that sings all night is spending a lot of energy, and he is also advertising his position to predators such as owls and cats. The fact that he does it anyway shows how much is at stake. For a male without a mate, silence is the greater risk.

Defending a territory

Song is also a fence. A male that sings from a high perch is telling rival males that this patch of shrubs, lawn, or woodland is taken, and that a fight will follow an intrusion. At night, when few other birds are singing, a territorial song stands out more clearly, and a rival listening in the dark can judge the singer’s stamina and persistence without ever seeing him. Dawn singing works the same way, and in nightingales, singing in the hour before sunrise is thought to be important mainly for territory defense, while night singing is mainly about attracting a mate. The two jobs are split across the hours of darkness.

For whip-poor-wills, the repeated call is the territory marker. Cornell Lab of Ornithology describes how the male establishes and maintains his territory by calling along its perimeter and by chasing off intruders with aggressive calls and hisses. Because the bird is so well camouflaged by day, its voice does most of the territorial work. A listener who hears the same phrase from the same stretch of woodland edge night after night is hearing one male holding one territory.

Quiet air and a clear channel

Sound travels better at night. The air is usually cooler and calmer after sunset, background noise from traffic, wind, and other birds drops away, and there is less competition for acoustic space. A song given at 2 a.m. can reach a female that a daytime song would never reach, because during the day it would be buried under the songs of dozens of other birds. This is part of why nightingale song is so noticeable after dark: few other birds are singing, so one rich, loud voice fills the silence.

Moonlight

Moonlight matters a great deal to the true night birds. Whip-poor-wills forage by sight, snatching moths and other insects from the air, and they hunt most successfully when there is enough light to see prey. Cornell Lab of Ornithology reports that they start foraging about 30 minutes after sunset and continue until it gets too dark to see, then resume at first light and stop about 40 minutes before sunrise, but on moonlit nights they may hunt all night long. Their calling follows the same rhythm, and night singing is more common during the full moon. Mockingbirds show a similar pattern: Cornell notes that nighttime singing in mockingbirds is more common during the full moon. The moon does not make these birds sing, but it gives them the light to be active, and activity brings song with it.

The whip-poor-will’s link to the moon goes further. Cornell Lab of Ornithology reports that whip-poor-wills appear to time their nesting so that chicks hatch about 10 days before the full moon, when the parents have more moonlight, and more time, to catch food for them. Few birds tie their breeding calendar to the lunar cycle this closely, and it is one of the reasons the species has become a symbol of summer nights.

Light pollution and daytime noise

Cities have added a new reason for night singing, and it is not one the birds chose. Artificial light at night tricks the internal clocks of some daytime birds into thinking the day has not ended. Streetlights, lit windows, and floodlights extend perceived daylight, and some birds keep singing as if dawn had not yet passed. A 2025 study published in Science, by Brent Pease and Neil Gilbert, compared more than 180 million bird vocalizations with satellite images of night light around the world, and found that under the brightest night skies, a daytime bird’s active day was extended by nearly an hour on average. Species with large eyes relative to their body size responded most strongly. The researchers stressed that whether the change helps or harms the birds is not yet clear: an extra hour of activity might mean more time to feed and mate, or it might mean an hour less sleep, which could damage health.

Daytime noise pushes in the same direction. A 2007 study of urban European robins, published in Biology Letters by Richard Fuller and colleagues, found that robins in noisy parts of the city sang at night in areas that were noisy during the day, and that the effect of daytime noise was much stronger than the effect of light pollution in that study. The robins were shifting their singing into the quiet hours because their daytime songs were being drowned out by traffic. The American robin behaves similarly in cities, singing near streetlights and starting earlier than its rural counterparts. These birds are not night singers by nature. They are daytime birds making the best of a noisy, brightly lit world.

Migration calls

A final reason for bird sound at night has nothing to do with mating or territory. Many songbirds migrate after dark, when the air is cooler and steadier and predators are less active, and they give short flight calls as they travel. These calls help birds in a loose flock stay together and may help them judge height and direction. They are not songs, and the birds giving them are not trying to attract a mate. They are simply talking while they travel. On a clear night in spring or autumn, a listener with patience can sometimes hear these faint chips passing overhead, one every few seconds, each from a different bird.

The Common Nightingale: Europe’s Famous Night Singer

No bird is more closely tied to the night than the common nightingale, Luscinia megarhynchos. Its English name comes from Old English words meaning night and sing, and its reputation rests almost entirely on its song. The bird itself is plain: a small brown songbird, about 16 centimeters long with a rufous tail, according to Encyclopaedia Britannica, and it spends most of its time hidden in dense shrubs and thickets, where it is far easier to hear than to see. Britannica describes its song as strong and varied, with crescendo effects prominent, and notes that it is uttered by day or night from perches in shrubbery.

The nightingale breeds across Europe and western Asia, and winters in northern and central Africa. It arrives on its breeding grounds in spring, with males arriving a few days before females to claim territories. The night singing that made it famous is a spring behavior, concentrated in the weeks after arrival, and it is given almost entirely by unpaired males. Once a male pairs up, he largely stops singing at night and shifts his effort to daytime and dawn singing, which serves territory defense. If his mate deserts, he starts again. This on and off pattern, tracked across whole breeding seasons by researchers, is the clearest evidence that nocturnal song in this species is a mate attraction display.

The song itself is loud, with an impressive range of whistles, trills, and gurgles, and its most characteristic feature is a loud whistling crescendo that its close relative, the thrush nightingale, lacks. Because few other birds sing at night, the nightingale’s song stands out sharply, which is why it has inspired more poetry than any other bird song in European literature, from classical verse to John Keats and beyond. The bird is not singing out of sorrow, whatever the poems suggest. It is singing to be chosen.

Nightingales are declining in parts of their range, and in Britain they are now confined mainly to the south east, which makes hearing one a rarer experience than it once was. The best chance is a warm night in May or early June, in scrub or woodland edge, listening for a loud, varied song that keeps changing and building to a crescendo. If the song goes on for hours without a break, it is very likely an unpaired male still searching.

The Northern Mockingbird: North America’s Night Jukebox

If you hear a bird cycling through dozens of different songs at 2 a.m. in North America, it is almost certainly a northern mockingbird, Mimus polyglottos. The mockingbird is a slender gray songbird with white wing patches that flash when it flies, and it is one of the most accomplished mimics in the bird world. Cornell Lab of Ornithology notes that a male may learn around 200 songs throughout its life, copying other birds, frogs, and even mechanical sounds such as car alarms. Its song is a sequence of phrases, each repeated several times before the bird switches to the next, so a listener hears a snatch of cardinal, then a robin, then something that sounds like a squeaky gate, all from one bird on one perch.

Cornell Lab of Ornithology states the night singing pattern plainly: northern mockingbirds sing all through the day and often into the night, most nocturnal singers are unmated males, and nighttime singing is more common during the full moon. The species typically sings from February through August, and again from September to early November, when males defend autumn and winter feeding territories. The female sings too, usually more quietly than the male, and she sings more in the autumn, perhaps to establish a winter territory.

The mockingbird is common across the United States, Mexico, and the Caribbean, and it thrives in suburbs, parks, and gardens, which is why it is the night singer most Americans actually hear. A mated male usually quiets down at night, while an unpaired male may sing for hours without pause, often from a high perch such as a rooftop, a utility line, or the top of a tall shrub. Well lit areas make night singing more likely: in brightly lit streets and gardens, even mated males may sing at night, because the light extends their sense of daytime. That is why the same bird can be silent on a dark country lane and loud outside a bedroom window under a streetlight.

Mockingbirds are protected by law in the United States, so a sleepless listener cannot legally move one along, and should not try. The singing is seasonal, and it fades once the male finds a mate or the breeding season ends. Earplugs and a fan are the practical answer while it lasts. The bird, meanwhile, is doing exactly what mockingbirds have always done: singing until someone answers.

The Eastern Whip-Poor-Will: The Voice of Summer Nights

The eastern whip-poor-will, Antrostomus vociferus, is a nightjar, a member of a family of nocturnal birds built for darkness, and its call is one of the most recognizable sounds of summer in eastern North America. Cornell Lab of Ornithology describes the species as easy to hear but hard to see, made famous in folk songs, poems, and literature for endless chanting on summer nights, with brindled plumage that blends perfectly with the gray brown leaf litter of the open forests where it breeds and roosts. By day it sits motionless on the forest floor, nearly invisible. At dusk it wakes, and the chanting begins.

The call is a crisp three syllable phrase, “whip-poor-will”, repeated over and over, sometimes for hours, with the emphasis on the last syllable. It is the male’s breeding-season call, used to defend a territory and attract a mate, and it is usually given from a low perch at the edge of woodland. Because the bird is so hard to see, the call is often the only sign it is there at all. A similar but slower, lower, four syllable phrase belongs to its relative, the chuck-will’s-widow, which calls “chuck-will’s-widow” in the south east. Learning the difference between the two phrases is the fastest way to put a name to a nightjar call.

The whip-poor-will is a true nocturnal hunter. It feeds only on insects, including moths, beetles, grasshoppers, ants, bees, wasps, and fireflies, and it catches them in flight, sweeping them up in its wide mouth after short flights from a perch. Cornell Lab of Ornithology notes that it can swallow insects up to two inches long, and that it may hunt all night long when the moon is bright enough. Its nesting is as unusual as its call: the female lays her eggs directly on the leaf litter of the forest floor, with no nest at all, and the eggs, nestlings, and adults are so well camouflaged that they are extremely difficult to see.

The species is in trouble. Cornell Lab of Ornithology reports that the 2025 State of the Birds report lists the eastern whip-poor-will as a Yellow Alert Tipping Point species, meaning it has lost more than 50 percent of its population in the past 50 years, and that Breeding Bird Survey data show a decline of 1.8 percent per year between 1966 and 2023, a cumulative decline of 66 percent over that period. Partners in Flight estimates a global breeding population of 1.8 million. The main cause is the loss of open understory forest, as open woods are converted to suburbs or agriculture, or grow dense when fire is suppressed. Hearing a whip-poor-will on a summer night is therefore more than a pleasant experience. It is a reminder that a once common sound is becoming scarce, and that the open woodlands it needs are worth keeping.

Other Night Voices Worth Knowing

The three profiles above cover the most famous night singers, but they are not the only birds you may hear after dark. The following are the most common others, and knowing them prevents the most frequent misidentifications.

The barred owl, Strix varia, is the owl most people hear in eastern North American woodland. Its call is often written as “Who cooks for you? Who cooks for you all?”, a series of eight or nine hoots in two phrases, given by both sexes, with the female’s voice higher than the male’s. It is a territorial and contact call, not a song, and it is given mainly at night, most often in late winter and early spring during courtship. Pairs sometimes call back and forth, which makes the sound seem like a conversation. The great horned owl gives a deeper, simpler hoot, usually in a stuttering rhythm, and the eastern screech owl gives a soft, descending trill that sounds more like a horse whinnying than a screech. None of these is a song, but all of them are regular night sounds, and all of them are easily mistaken for one by a listener who is half asleep.

The common nighthawk is another nightjar, and it is most active at dawn and dusk rather than deep in the night. In flight it gives a nasal “peent” call, and in courtship display the male dives and produces a hollow booming sound with his wings. Nighthawks hunt insects over towns, fields, and rooftops, so they are often heard over suburbs on summer evenings, well before the whip-poor-wills begin.

Robins deserve a mention because they are the daytime bird most likely to confuse a listener. The American robin is a dawn singer by nature, but in cities it often sings at night near streetlights, and the European robin does the same in noisy urban areas, as the Fuller study showed. If the night song you hear sounds like a robin, with clear, cheerful phrases delivered from a garden or park, it probably is a robin, singing in the wrong hours because the city has changed its clock. This is different from the nightingale or the mockingbird, which sing at night by design rather than by accident.

When to Listen, and How to Identify a Night Singer

Night singing follows a calendar. In temperate North America and Europe, it peaks in spring and early summer, roughly from April through July, when breeding is under way and unpaired males are advertising. Mockingbirds start earlier in the south, sometimes singing from February, and may sing again in the autumn while setting up winter territories. Nightingales are at their best in May and early June, and they largely fall silent by late June. Whip-poor-wills call through the summer, from their arrival in spring until late summer, and they are most vocal on warm, moonlit nights.

Time of night matters too. The hour after sunset and the hour before sunrise are often the busiest, because those are the edges of the birds’ active periods. But the classic night singers do not keep office hours. An unpaired mockingbird or nightingale may sing straight through from midnight to dawn, and a whip-poor-will may chant for hours in the middle of the night, especially under a full moon. Still air helps: sound carries further on calm nights, and a light breeze can make a distant singer much harder to place.

Identification by ear is easier than identification by sight at night, and a few habits make it much more reliable. First, listen to the pattern, not just the tone. A mockingbird changes its tune every few seconds, repeating each phrase several times before switching. A nightingale’s song keeps building and changing, with whistles, trills, and a loud crescendo. A whip-poor-will repeats one phrase without change. An owl hoots in a slow, spaced rhythm. Second, note the time, the place, and the season, and compare them with what each species does. A “whip-poor-will” call in December in New England is unlikely to be a whip-poor-will, because the birds have migrated south. Third, use a recording app. The Cornell Lab of Ornithology’s Merlin Bird ID app can identify birds from a short recording, and comparing your recording with verified recordings in the Macaulay Library is the most reliable way to confirm a difficult identification. Do not shine a bright light at a singing bird to see it, and do not play recordings at it repeatedly to make it answer. Both disturb a bird that is already spending a great deal of energy on its song.

Does Night Singing Harm the Birds

Singing all night is expensive. A bird that sings instead of sleeping uses energy it cannot replace until morning, and it advertises its position to predators. For a nightingale or a mockingbird, the cost is real but the payoff, a mate, is worth it, and the behavior is seasonal, ending when the breeding season ends. For a daytime bird such as a robin, the cost is less clearly balanced. Research on city robins suggests night singing may shorten sleep and cost energy, though the long-term effects are not yet established, and the 2025 light pollution study found that birds under bright night skies stayed active nearly an hour longer each day on average, with effects that are not yet fully understood. Whether that extra hour helps or harms the birds will need further study, and the answer is likely to differ by species.

For the listener, the practical advice is simple. Night singing is natural, it is seasonal, and it usually stops on its own. If a mockingbird outside your window is keeping you awake, earplugs, a fan, or a white noise machine will help more than any attempt to quiet the bird, which is both illegal and pointless. If you want to help night singers generally, the most useful steps are the same ones that help birds in daylight: keep outdoor lighting dim, shielded, and used only when needed, especially near gardens and woodland, and protect the open woodland and scrub where nightjars and nightingales breed. Birds that need darkness to rest, and birds that need darkness to sing, both benefit from a darker night.

Night singing is also a reminder of how much birds depend on sound. Most birds rest at night, and how they do it is a story of its own. Our guide to where birds go at night explains where they roost and shelter after dark, and our guide to how birds sleep explains how they rest with half their brain awake. The singers in this article are the exception that proves the rule: most birds go quiet at night, and the few that do not are worth listening to precisely because they are rare.

FAQ

Which bird sings at night most often?

In North America, the northern mockingbird is the most common night singer, especially in suburbs and cities, where unpaired males may sing for hours during the breeding season. In Europe, the common nightingale is the most famous, with unpaired males singing through the night in spring. In woodland, the eastern whip-poor-will’s repeated chant is often the most persistent night sound of all.

Why is a bird singing at 2 a.m. outside my window?

It is most likely an unpaired male mockingbird or, in Europe, a nightingale, advertising for a mate. In a city, it may also be a robin whose internal clock has been shifted by streetlights and daytime noise. The singing is seasonal, peaks in spring and early summer, and usually fades once the male finds a mate or the breeding season ends.

Do owls sing at night?

Owls call at night, but they do not sing in the strict sense. Their hoots, screeches, and trills are calls used for territory defense, contact between mates, and communication, not the long, patterned, musical performances that songbirds call songs. The barred owl’s “Who cooks for you?” call is the best known example.

What bird makes a repeated “whip-poor-will” sound at night?

The eastern whip-poor-will, a nightjar of eastern North American woodlands. The male repeats its three syllable name over and over, often for hours, to defend a territory and attract a mate. A slower, four syllable “chuck-will’s-widow” belongs to its relative, the chuck-will’s-widow.

Why do birds sing more at night during a full moon?

Moonlight lets night active birds see well enough to hunt and move, so whip-poor-wills and mockingbirds are more active and more vocal on bright moonlit nights. Whip-poor-wills even time their nesting so chicks hatch about 10 days before the full moon, when parents have the most moonlight to catch food.

Can light pollution make birds sing at night?

Yes. Artificial light extends the perceived day for some daytime birds, and a 2025 study published in Science found that under the brightest night skies, a daytime bird’s active day was extended by nearly an hour on average. Daytime noise has a similar effect: urban European robins sing at night in areas that are noisy during the day.

Is it bad for birds to sing all night?

Night singing costs energy and sleep, and it can expose a singing bird to predators, but for species such as nightingales and mockingbirds it is a normal breeding season behavior that ends when the season ends. For daytime birds pushed into night singing by city light and noise, the long term effects are less clear and are still being studied.

How can I identify a bird singing at night?

Listen to the pattern first. A mockingbird changes its tune every few seconds, a nightingale builds to a loud crescendo, a whip-poor-will repeats one phrase without change, and an owl hoots slowly. Note the time, place, and season, then compare your sound with verified recordings, for example with the Cornell Lab of Ornithology’s Merlin Bird ID app.

Sources & references

• Cornell Lab of Ornithology, All About Birds, "Northern Mockingbird Overview". https://www.allaboutbirds.org/guide/Northern_Mockingbird/overview
• Cornell Lab of Ornithology, All About Birds, "Eastern Whip-poor-will Overview". https://www.allaboutbirds.org/guide/Eastern_Whip-poor-will
• Cornell Lab of Ornithology, All About Birds, "Eastern Whip-poor-will Life History". https://www.allaboutbirds.org/guide/Eastern_Whip-poor-will/lifehistory
• National Audubon Society, Audubon Field Guide, "Northern Mockingbird". https://www.audubon.org/field-guide/bird/northern-mockingbird
• Encyclopaedia Britannica, "Nightingale". https://www.britannica.com/animal/nightingale-bird
• Pease, B. S. et al., "Light pollution prolongs avian activity", Science (2025), reported by Southern Illinois University Carbondale via Phys.org, 21 August 2025. https://phys.org/news/2025-08-birds-polluted-areas-stay-late.html
• Fuller, R. A., Warren, P. H. and Gaston, K. J., "Daytime noise predicts nocturnal singing in urban robins", Biology Letters 3(4), 2007. https://pubmed.ncbi.nlm.nih.gov/17456449/
• Roth, T. et al., "Sex-specific timing of mate searching and territory prospecting in the nightingale", Proceedings of the Royal Society B 276(1664), 2009. https://pubmed.ncbi.nlm.nih.gov/19324798/
• Amrhein, V., Korner, P. and Naguib, M., "Nocturnal and diurnal singing activity in the nightingale: correlations with mating status and breeding cycle", Animal Behaviour 64(6), 2002. https://doi.org/10.1006/anbe.2002.1974