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The grey parrot (Psittacus erithacus), also known as the Congo grey parrot, African grey parrot or Congo African grey parrot, is an African parrot in the family Psittacidae. The Timneh parrot ( Psittacus timneh ) was previously treated as a subspecies of the grey parrot, but has since been elevated to a full species.
Psittacus is a genus of African grey parrots in the subfamily Psittacinae. It contains two species: the grey parrot ( Psittacus erithacus ) and the Timneh parrot ( Psittacus timneh ). For many years, the grey parrot and Timneh parrot were classified as subspecies; the former as the nominate, the latter as P. e. timneh .
Alex (May 18, 1976 – September 6, 2007) [1] was a grey parrot and the subject of a thirty-year experiment by animal psychologist Irene Pepperberg, initially at the University of Arizona and later at Harvard University and Brandeis University.
The black swan, Cygnus atratus is a large waterbird which breeds mainly in the southeast and southwest regions of Australia.An estimated one-quarter of all black swans pairings are homosexual and they steal nests, or form temporary threesomes with females to obtain eggs, driving away the female after she lays the eggs.
The female grey foam-nest tree frog begins the process of reproduction by producing a thick mucus-like fluid from its cloaca (a cavity at the end of the digestive tract in amphibians). During this process, the frog uses its hind legs to whip the mucus into elastic froth that will eventually serve as physical protection for the developing eggs.
Of the nine species in the genus, all are native to the African continent, with the grey-headed lovebird being native to the African island of Madagascar. Social and affectionate, the name comes from the parrots' strong, monogamous pair bonding and the long periods which paired birds spend sitting together. Lovebirds live in small flocks and ...
Tawny mining bee (Andrena fulva) nest entrance. Nesting behavior is also present in many invertebrates. The best known example of nesting behavior in insects is that of the domestic honey bee. Most bees build nests. Solitary bees, like honey bees, make nests. However, solitary bees make individual nests for larvae and are not always in colonies ...
The male is territorial, and in southern Africa, a pair of African cuckoos occupy a territory of greater than 60 hectares (150 acres), driving off other cuckoos. [3] [4] Like many other cuckoos, the African cuckoo is a brood parasite, the female laying her eggs in the nests of birds of other species, removing an egg already present in the nest. [3]