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xeno-canto is a citizen science project and repository in which volunteers record, upload and annotate recordings of bird calls and sounds of orthoptera and bats. [2] Since it began in 2005, it has collected over 575,000 sound recordings from more than 10,000 species worldwide, and has become one of the biggest collections of bird sounds in the world. [1]
The app also offers Sound ID, which can identify some 450 North American species, in real time or from an in-app recording, even if multiple species are communicating at once. [ 16 ] [ 17 ] The app also displays a basic black-and-white spectrogram —a visual representation of sound.
Birdsongs are as complex as they are beautiful, containing distinct elements like pitch, tone, rhythm, and repetition.Each species also makes many different vocalizations—both songs and calls ...
The crested caracara occurs from Tierra del Fuego in southernmost South America to the southern United States, Mexico, and Central America. An isolated population occurs on the Falkland Islands . It avoids the Andean highlands and dense humid forests, such as the Amazon rainforest , where it is largely restricted to relatively open sections ...
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Appweavers, Inc., [10] the licensee of the Peterson field guides for mobile devices, has developed the Peterson Birds of North America [11] and Peterson Feeder Birds of North America [12] apps for mobile Apple products. The Peterson Birds of North America app also includes some content from other books in the Peterson field guide series.
The chuck-will's-widow has a short bill and a long tail typical of the nightjars. It has mottled brownish underparts, a buff throat, reddish-brown feathers lined with black, and brown and white patterning on head and chest. Males have patches of white on their outer tail feathers. It is the largest nightjar in North America.
Most bird sounds for BirdNote are provided by the Macaulay Library of the Cornell Laboratory of Ornithology.Writers have included Dennis Paulson, [3] Curator Emeritus of The Slater Museum of Natural History at the University of Puget Sound, [4] the late Robert Sundstrom, birding-by-ear expert with the Seattle Audubon Society, Francis Wood, and other writers and naturalists.
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