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The wildtype (natural-coloured 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). Some other parrot species produces a third pigment named ...
Early breeding results showed this Grey to be a Dark Grey (SF)/dilute, and Mrs Harrison went on to establish a substantial strain of Greys from this bird. [ 2 ] [ 3 ] In 1936, it was reported [ 4 ] that W F Shepherd of Kew, Victoria, also had Greys which he obtained from a colony breeder, and a Grey was also bred independently by R Hancock of ...
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.
Like many budgerigar mutations, it is the black melanin pigment that is affected. This pigment is present in the medulla or inner cells of the barbs of all the feathers which appear green (or blue in the white series), and in the cortex or outer cells of the barbs of all the feathers which appear black. The Clearwing mutation causes a large ...
When pure-breeding (homozygous) Greywings are paired with pure-breeding Clearwings the resulting offspring, known as Full-bodied Greywings, are quite distinct in appearance from both parents. They have a body colour almost as deep as the corresponding normal variety and with the rich sheen of the Clearwing, but with medium grey markings ...
The Recessive Pied budgerigar mutation is one of approximately 30 mutations affecting the colour of budgerigars. It is the underlying mutation of the Danish Pied variety, aka Harlequin. It is believed by Inte Onsman of MUTAVI [1] to be the same mutation as the Anti-dimorphic Pied (ADM Pied) found in some parrots. [2]
It's normal for a dog's fur to turn more white as they age, but Jubilee isn't a senior dog quite yet! This change happened so quickly in the last year or so, and it's because of the same ...
The suffusion is deepest on the rump and around the vent. The spots and markings on the wing, head and neck, which are black in the wild-type, are pale grey. The cheek patches are pale lavender and the long tail feathers are pale bluey-grey. The eyes remain normal, with white irises when adult. There is considerable variation in the intensity ...