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The common nighthawk is distinguished from other caprimulguids by its forked tail (includes a white bar in males); its long, unbarred, pointed wings with distinctive white patches; its lack of rictal bristles, and the key identifier – their unmistakable calls. [13] These birds range from 21 to 25 cm (8.3 to 9.8 in) in total length and from 51 ...
The level of divergence is the highest of any genus of birds, being more typical of the divergence between genera or even families. The northern potoo was for a long time considered to be the same species as the common potoo , but the two species have now been separated on the basis of their calls .
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]
Breeding has been recorded as typically February to August, but depending on the portion of this bird's range breeding birds can be met with almost year-round. [11] The nest is a slight depression on a thick tree branch, [ 12 ] at least 10 m (33 ft) above ground, with a single white (slightly spotted) egg measuring about 5.2 cm × 3.8 cm (2.0 ...
The common name "nightjar", first recorded in 1630, refers to the nocturnal habits of the bird, the second part of the name deriving from the distinctive churring song. [1] Caprimulgus nightjars are found around Afro-Eurasia and Australasia, and like other nightjars they usually nest on the ground. They are mostly active in the late evening and ...
C. a. aequabilis Sri Lanka. Jerdon's nightjar (Caprimulgus atripennis) is a medium-sized nightjar species native to southern India and Sri Lanka.Formerly considered as a subspecies of the long-tailed nightjar, it is best recognized by its distinctive call which sounds like a wooden plank being beaten periodically with each note ending in a quaver. [2]
For example, several birds’ names honor Alexander Wilson, a naturalist. But his diaries reportedly include racist terms to describe birds. Wilson’s warbler and Wilson’s snipe are on the list ...
The birds are attracted by insects around domestic animals and, as unusual nocturnal creatures, were then blamed for any misfortune that befell the beast. [ 17 ] [ 34 ] Another old name, "puckeridge", was used to refer to both the bird and a disease of farm animals, [ 47 ] the latter actually caused by botfly larvae under the skin. [ 48 ] "