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When calling, the bird bows and droops its wings. Several birds may arrive at one tree and call repeatedly during the pre-monsoon breeding season (mainly April–May but some nests from February). The nest is a platform of twigs on a medium-sized tree. Three eggs are laid, ashy grey with green and grey blotches. [8] [7]
Many species have patterns such as checking, spotting, or barring on their plumage. The feathers of the tail are rigid and are used for supporting the body when climbing tree trunks; [5] [4] the tail can support most of the body weight and birds that lose their tail find climbing difficult. Woodcreepers climb by flexing their legs and hopping ...
Birds feature in the flag designs of 17 countries and numerous subnational entities and territories. [328] Birds are used by nations to symbolise a country's identity and heritage, with 91 countries officially recognising a national bird. Birds of prey are highly represented, though some nations have chosen other species of birds with parrots ...
The female lays a clutch of one or two white eggs, with the second egg laid eight days after the first. One egg is generally larger in a two-egg clutch, and does not differ in size from the egg of a single-egg clutch. It ranges from around 44 to 54 millimetres (1.7 to 2.1 in) long and 32 to 41 millimetres (1.3 to 1.6 in) in diameter.
While several North American birds exhibit apparent green plumage, turacos, native to sub-Saharan Africa, stand out as the only birds that are truly green. Unlike other species, turacos owe their ...
The black-bellied whistling duck is mainly non-migratory, although they are listed on the List of Birds protected by the Migratory Bird Treaty Act (MBTA). [12] At the heart of their range, there is a tendency to travel in flocks over the winter months, [13] though this behavior is not a true long-range migration but rather local dispersal. [11]
Nearly all Piciformes have parrot-like zygodactyl feet—two toes forward and two back, an arrangement that has obvious advantages for birds that spend much of their time on tree trunks [citation needed]. An exception are a few species of three-toed woodpeckers. The jacamars aside, Piciformes do not have down feathers at any age, only true ...
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