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This is an accepted version of this page This is the latest accepted revision, reviewed on 11 January 2025. Small, long-tailed, seed-eating parakeet Budgerigar Temporal range: Pliocene–Holocene Pre๊ ๊ O S D C P T J K Pg N Blue cere indicates male Flaking brown cere indicates female in breeding condition Conservation status Least Concern (IUCN 3.1) Scientific classification Domain ...
The Australian budgerigar, or shell parakeet, is a popular pet and the most common parakeet. Parakeets comprise about 115 species of birds that are seed-eating parrots of small size, slender build, and long, tapering tails. [citation needed] The Australian budgerigar, also known as "budgie", Melopsittacus undulatus, is probably the most common ...
The Anthracite budgerigar mutation is an extremely rare mutation that occurs in the budgerigar. The mutation, similar to the Violet budgerigar mutation, causes a difference in the coloring of budgerigars. Anthracites have black or very dark gray feathers, possibly with some white depending on the budgerigar in particular.
Pearly parakeet: P. lepida (Wagler, 1832) g VU: Northeast Brazil south of the Amazon River: Green-cheeked parakeet: P. molinae (Massena and de Souancé, 1854) LC: Painted parakeet: P. picta (Müller, 1776) LC: Northeast South America, north of the Amazon river and east of the Venezuela/Colombia border Sinú parakeet: P. subandina (Todd, 1917) CR
All pied budgerigars are characterised by having irregular patches of completely clear feathers appearing anywhere in the body, head or wings. These clear feathers are pure white in blue-series birds and yellow in birds of the green series. Such patches are completely devoid of black melanin pigment. The remainder of the body is coloured normally.
The first nest produced 3 cobalt birds with yellow masks, etc, like Mrs Lait's birds described above, and one green-blue bird like the mother. The second nest produced exactly the same result." The description of the birds suggests that Mr Long's birds were a DF Yellowface II Cobalt cock and a SF Yellowface II Cobalt hen, but the breeding of ...
The sex determination system used in birds is the ZW system. In this system, cock birds have two Z chromosomes, and hens have one Z and one W. So in hens whichever allele is present on the single Z chromosome is fully expressed in the phenotype. Hens cannot be split for Sex-linked Clearbody (or any other sex-linked mutation).
The first nest produced 3 cobalt birds with yellow masks, etc, like Mrs Lait's birds described above, and one green-blue bird like the mother. The second nest produced exactly the same result." By 1937 several breeders in the UK had yellowfaced birds, and Stevenson and Tucker exhibited one at the Crystal Palace in that year. [ 1 ]
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