Budgerigars

Some articles on budgerigars, budgerigar:

Budgerigars and Humans - Aviculture
... The budgerigar has been bred in captivity since the 1850s ... English or "show" budgerigars are about twice as large as their wild counterparts, and with a larger size and puffier head feathers have a boldly exaggerated ... English budgerigars are typically more expensive than wild-type birds, and have shorter life span of about seven to nine years ...
List Of Vieques Birds - Budgerigars, Parakeets and Parrots
... Parrots are small to large birds with a characteristic curved beak shape ... Their upper mandibles have slight mobility in the joint with the skull and the have a generally erect stance ...
Budgerigar Colour Genetics - Background
... The wildtype (natural-colored or wild occurring) budgerigar's color is called Lightgreen ... The feathers of most parrot species, including budgerigars, contain both a black type of melanin named eumelanin along with a basic yellow pigment named psittacofulvin (psittacin for short) ... in the green coloration known as lightgreen in only the budgerigar and/or green in any other naturally green colored parrot species ...
Budgerigars and Humans - Breeding
... Australia and between August and January in the south, although budgerigars are opportunistic breeders and respond to rains when grass seeds become most abundant ... Budgerigars feed one another by eating the seeds themselves, and then regurgitating it into their flockmate's mouth ... Because of this natural behavior, budgerigars most easily breed in captivity when provided with a reasonable-sized nest box ...
Budgerigars and Humans - Chick Health
... Other budgerigars (virtually always females) may fight over the nest box, attacking each other or a brood ... Sometimes, budgerigars (mainly males) are not interested in the opposite gender, and will not reproduce with them a flock setting—several pairs housed where they can see and hear each other—is ... Most health issues and physical abnormalities in budgerigars are genetic ...