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PFG 2A: Western Bird Songs (1962) by the Cornell Laboratory of Ornithology Second edition (1992) PFG 3: A Field Guide to Shells of the Atlantic and Gulf Coasts and the West Indies (1947), by Percy A. Morris. Second edition (1951) Third edition (1973) Fourth edition (1995), by R. Tucker Abbott and Percy A. Morris; Photos by R. Tucker Abbott
Song learning in juvenile birds occurs in two stages: sensory learning, which involves the juvenile listening to the father or other conspecific bird and memorizing the spectral and temporal qualities of the song (song template), and sensorimotor learning, which involves the juvenile bird producing its own vocalizations and practicing its song ...
Our network analyzed over 500 photographs of bird species provided by the Macaulay Library at the Cornell Lab of Ornithology, whose extensive media collection helps researchers identify and study ...
These birds are notable for their vocalizations, especially their ability to mimic a wide variety of birds and other sounds heard outdoors. Their coloring tends towards dull-grays and browns. Five species have been recorded in Chile. Long-tailed mockingbird, Mimus longicaudatus (H) Chilean mockingbird, Mimus thenca
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Swifts are small birds which spend the majority of their lives flying. These birds have very short legs and never settle voluntarily on the ground, perching instead only on vertical surfaces. Many swifts have long swept-back wings which resemble a crescent or boomerang. Chimney swift, Chaetura pelagica (A) Antillean palm-swift, Tachornis ...
The southern lapwing is the national bird of Uruguay. This is a list of the bird species recorded in Uruguay. The avifauna of Uruguay has 500 confirmed species, of which nine have been introduced by humans, 75 are rare or vagrants, and four are extirpated or believed extinct. An additional eight species are hypothetical (see below). None are ...
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