List of nocturnal birds
There are many birds that are active nocturnally. Some, like owls
OWLS is a mnemonic used by general aviation airplane pilots to assess an unprepared surface for a precautionary landing.Like all mnemonics this check has become part of aviation culture and folklore.OWLS:* Obstacles* Wind direction...

 and nighthawk
A nighthawk is a nocturnal bird of the subfamily Chordeilinae, within the nightjar family, Caprimulgidae. Nighthawks are medium-sized New World birds, with long wings, short legs, and very short bills. They usually nest on the ground. They feed on flying insects. The Least Nighthawk, at and ,...

s, are predominantly nocturnal whereas others do specific tasks, like migrating, nocturnally.

Primarily Nocturnal

  • Barn Owl
    Barn Owl
    The Barn Owl is the most widely distributed species of owl, and one of the most widespread of all birds. It is also referred to as Common Barn Owl, to distinguish it from other species in the barn-owl family Tytonidae. These form one of two main lineages of living owls, the other being the typical...

    , Tyto alba
  • Short-eared Owl
    Short-eared Owl
    The Short-eared Owl is a species of typical owl . In Scotland this species of owl is often referred to as a cataface, grass owl or short-horned hootlet. Owls belonging to genus Asio are known as the eared owls, as they have tufts of feathers resembling mammalian ears. These "ear" tufts may or may...

    , Asio flammeus
  • Long-eared Owl
    Long-eared Owl
    The Long-eared Owl - Asio otus is a species of owl which breeds in Europe, Asia, and North America. This species is a part of the larger grouping of owls known as typical owls, family Strigidae, which contains most species of owl...

    , Asio otus
  • Great Horned Owl
    Great Horned Owl
    The Great Horned Owl, , also known as the Tiger Owl, is a large owl native to the Americas. It is an adaptable bird with a vast range and is the most widely distributed true owl in the Americas.-Description:...

    , Bubo virginianus
  • Barred Owl
    Barred Owl
    The Barred Owl is a large typical owl. It goes by many other names, including eight hooter, rain owl, wood owl, and striped owl, but is probably best known as the hoot owl.-Description:...

    , Strix varia
  • Spotted Owl
    Spotted Owl
    The Spotted Owl, Strix occidentalis, is a species of true owl. It is a resident species of forests in western North America, where it nests in tree holes, old bird of prey nests, or rock crevices. Nests can be between 13 and 66 yards high and usually contain two eggs...

    , Strix occidentalis
  • Eastern Screech-owl, Megascops asio
  • Western Screech-Owl, Megascops kennicottii
  • Whiskered Screech-owl, Megascops trichopsis
  • Flammulated Owl
    Flammulated Owl
    The Flammulated Owl is a small, nocturnal owl approximately 15 cm long with a 36 cm wingspan. Males and females can be distinguished by their weight. Females are larger, ranging from 62-65 grams and males are smaller ranging from 50-52 grams. The owl gets the name flammulated from the flame...

    , Otus flammeolus
  • Elf Owl
    Elf Owl
    The Elf Owl is a member of the owl family Strigidae that breeds in the southwestern United States and Mexico. It is the world's lightest owl, although the Long-whiskered Owlet and the Tamaulipas Pygmy Owl are of a similarly diminutive length. The mean body weight of this species is 40 grams...

    , Micrathene whitneyi
  • Great Gray Owl, Strix nebulosa
  • Northern Saw-whet Owl
    Northern Saw-whet Owl
    The Northern Saw-whet Owl is a small owl native to North America.-Description:The scientific description of one of the sub-species of this owl is attributed to the Rev. John Henry Keen who was a missionary in Canada in 1896. Adults are long with a wingspan. They can weigh from with an average...

    , Aegolius acadicus
  • Boreal Owl, Aegolius funereus
  • Burrowing Owl
    Burrowing Owl
    The Burrowing Owl is a tiny but long-legged owl found throughout open landscapes of North and South America. Burrowing Owls can be found in grasslands, rangelands, agricultural areas, deserts, or any other open dry area with low vegetation. They nest and roost in burrows, such as those excavated...

    , Athene cunicularia
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