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The barred parakeet (Bolborhynchus lineola), also known as the lineolated parakeet (commonly nicknamed the "Linnie") or the Catherine parakeet, is a small psittaciforme bird found in the highland forests of tropical Latin America. Its plumage is mostly green, with multiple black or dark green stripes and bars and a pale, peach-colored bill.
Kew Gardens. Feral parakeets in Great Britain are wild-living, non-native parakeets that are an introduced species into Great Britain.The population mainly consists of rose-ringed parakeets (Psittacula krameri), a non-migratory species of bird native to Africa and the Indian Subcontinent, with a few, small breeding populations of monk parakeets, and other occasional escaped cage birds.
Colony-nesting birds often show synchrony in their breeding, meaning that chicks all hatch at once, with the implication that any predator coming along at that time would find more prey items than it could possibly eat. [2] [5] Common murre colony (Farallon Islands). What exactly constitutes a colony is a matter of definition.
The red-crowned parakeet is common in aviculture and is relatively easy to breed. Several colour mutations are available including yellow, cinnamon, and piebald. Later breeding lines brought up cyan feather colors, similar to budgie phenotypes, although none of these variants can be encountered in the wilderness.
Cooperative breeding occurs across taxonomic groups including birds, [5] mammals, [6] fish, [7] and insects. [8] Costs for helpers include a fitness reduction, increased territory defense, offspring guarding and an increased cost of growth. Benefits for helpers include a reduced chance of predation, increased foraging time, territory ...
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Aviculture is the practice of keeping birds (class Aves) in captivity using controlled conditions, normally within the confines of an aviary, for hobby, business, research and conservation purposes. Some reasons for aviculture are: breeding birds to preserve the species because many avian species are at risk due to habitat destruction and ...