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The common nightingale is slightly larger than the European robin, at 15–16.5 cm (5.9–6.5 in) length. It is plain brown above except for the reddish tail. It is buff to white below. The sexes are similar. The eastern subspecies (L. m. golzi) and the Caucasian subspecies (L. m. africana) have paler upper parts and a stronger face-pattern ...
The ʻelepaio is the first native bird to sing in the morning and the last to stop singing at night; apart from whistled and chattering contact and alarm calls, it is probably best known for its song, from which derives the common name: a pleasant and rather loud warble which sounds like e-le-PAI-o or ele-PAI-o. It nests between January and June.
Bird vocalization. An eastern towhee (Pipilo erythrophthalmus) singing, Jamaica Bay Wildlife Refuge, United States. Blackbird song. Bird vocalization includes both bird calls and bird songs. In non-technical use, bird songs are the bird sounds that are melodious to the human ear. In ornithology and birding, songs (relatively complex ...
There are many birds that are active nocturnally. Some, like owls and nighthawks, are predominantly nocturnal whereas others do specific tasks, like migrating, nocturnally. North Island brown kiwi, Apteryx mantelli[1] Black-crowned night heron, Nycticorax nycticorax[1] Short-eared owl, Asio flammeus[1] Long-eared owl, Asio otus[1]
These birds forage at night, catching insects in flight, and normally sleep during the day. Eastern whip-poor-wills nest on the ground, in shaded locations among dead leaves, and usually lay two eggs at a time. The bird will commonly remain on the nest unless almost stepped upon. [citation needed] The whip-poor-will has been split into two species.
A singing male above and a juvenile below. An adult thrush nightingale is about 16 centimetres (6.3 in) long with a wingspan of approximately 18 centimetres (7.1 in). The head, nape and the whole of the upper parts of the thrush nightingale are dark brown with a slight olive tinge. The colour is much deeper than that of the nightingale and is ...
Increased efficiency of sound production is important, as some frogs may produce calls lasting for several hours during mating seasons. [7] The New River tree frog (Trachycephalus hadroceps), for example, spends hours producing up to 38,000 calls in a single night, which is made possible through the efficient recycling of air by the vocal sac. [7]
Rufous morph. Tawny frogmouths are large, big-headed birds that can measure from 34 to 53 cm (13 to 21 in) long. Weights have been recorded up to 680 g (1.50 lb) in the wild (and perhaps even more in captivity), but these are exceptionally high. [6][8][9] In the nominate race, 55 males were found to weigh a mean of 354 g (12.5 oz), while 39 ...