utations in Celestial Parrotlets

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All Parrotlet mutations are autosomal-recessive unless otherwise indicated. This means that the birds gender has no efect on the mutation, and that a bird needs two copies of a specific gene in order to express it. "Secondary" Mutations are phenotypes that arise when a bird has more than 1 mutation expressed at a time. Only important combinations listed at this time. Most genetics technical terms are linked to the appropriate section of the Basic Genetics page. Simply click on these to be taken to an explaination of the term. List of Primary Parrotlet mutations: Name Description Eye Colour Male Dimorphism Other Names Notes Blue Blue bird, ranging in colour from cyan to dark blue. Black Cobalt Yellow Yellow bird, tinged with green. Yellow face. Black Cobalt Dilute, American Yellow Male markings may be lighter Pastel Yellow bird, tinged with more green than in the Yellow mutation described above. Black Cobalt European Yellow Lutino Bright yellow bird. Red White Fallow Green-Yellow bird, with beige. Yellow face. Red Cobalt Male markings may be lighter Pied Green bird with yellow scattered over body. Black Cobalt Recessive Pied Green bird with yellow scattered over body. Black Cobalt Dominant Isabelle Beige and yellow bird with green. Red Cobalt Cinnamon Recessive Pallid Beige and yellow bird with green. Red Cobalt Cinnamon Sex-linked Dark Darker colour than normal, may even appear tinged with brown. Black Cobalt Incomplete-Dominant. Cobalt markings may appear almost black. Grey Strong grey wash. Black Cobalt List of Secondary Parrotlet mutations: Name Description Eye Colour Male Dimorphism Combination of Notes White White bird with faint blue wash. Black Cobalt Blue Yellow aka Dilute Blue, American White Pastel Blue White bird, tinged with blue. Lace pattern on wing. Black Cobalt Blue Pastel Albino Pure white bird. Red White Blue Lutino Loss of visual dimorphism Fallow Blue Pale blue bird. Red Cobalt Blue Fallow Fallow Yellow Bright yellow bird. Red Cobalt Yellow Fallow

Page created 15 March 2008 Last modified: 1 July, 2008 Iain D. Kendall