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Distribution. Synonyms. Psittacus araraunaLinnaeus, 1758. The blue-and-yellow macaw (Ara ararauna), also known as the blue-and-gold macaw, is a large Neotropical parrot with a mostly blue dorsum, light yellow/orange venter, and gradient hues of green on top of its head. It is a member of the large group of neotropical parrots known as macaws.
A macaw's facial feather pattern is as unique as a fingerprint. [4] The largest macaws are the hyacinth, Buffon's (great green) and green-winged macaws. While still relatively large parrots, mini-macaws of the genera Cyanopsitta, Orthopsittaca and Primolius are significantly smaller than the members of Anodorhynchus and Ara.
Copan, Honduras. The scarlet macaw (Ara macao) is a large yellow, red and blue Neotropical parrot native to humid evergreen forests of the Americas.Its range extends from southeastern Mexico to Peru, Ecuador, Colombia, Bolivia, Venezuela and Brazil in lowlands of 500 m (1,600 ft) (at least formerly) up to 1,000 m (3,300 ft), the Caribbean island of Trinidad, as well as the Pacific island of ...
First edition. Published in 1980 by Rigby of Adelaide, South Australia, in its series of field guides to Australian natural history, the book is 190 mm high by 130 mm wide. It consists of three parts; Part One contains general information; Part Two contains separate keys to the identification of nests and eggs, as well as the colour plates that ...
The sticks are glued together (and the nest to a vertical surface) with copious amounts of the bird's saliva. [57] During the breeding season, each adult's salivary glands more than double in size, from 7 mm × 2 mm (0.276 in × 0.079 in) in the non-breeding season to 14 mm × 5 mm (0.55 in × 0.20 in) during the breeding season.
Clutch size refers to the number of eggs laid in a single brood by a nesting pair of birds. The numbers laid by a particular species in a given location are usually well defined by evolutionary trade-offs with many factors involved, including resource availability and energetic constraints. Several patterns of variation have been noted and the ...
The common starling (Sturnus vulgaris), also known as the European starling in North America and simply as the starling in Great Britain and Ireland, is a medium-sized passerine bird in the starling family, Sturnidae. It is about 20 cm (8 in) long and has glossy black plumage with a metallic sheen, which is speckled with white at some times of ...
The Macmillan Field Guides to Bird Identification are two small bird field guides. Volume 1, The Macmillan Field Guide to Bird Identification, illustrated by Alan Harris and Laurel Tucker, with text by Keith Vinicombe, was originally published in 1989, covered British birds. Volume 2, The Macmillan Birder's Guide to European and Middle Eastern ...