Agapornis roseicollis
Le male a la tete claire et la femelle a la tete rouge.








Je ne suis pas d'accord du tout, j'ai eu des roseicolis et j'ai eu des jeunes vraiment bleu qui le sont rester apres leur premiere mue.zestrellita a écrit :Mais ceci dit chez le roseicollis le bleu n'est jamais bleu BLEU, mais plutôt bleu tirant sur le vert.![]()
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Bien sûr comparés aux verts sauvages ils sont bleus mais jamais d'un bleu pur comme chez la plupart des autres espèces de becs crochus chez lesquels la "vraie" mutation bleue existe. Les 2 allèles "bleus" chez le roseicollis sont des allèles "parblue".gemf a écrit :Je ne suis pas d'accord du tout, j'ai eu des roseicolis et j'ai eu des jeunes vraiment bleu qui le sont rester apres leur premiere mue.
@+The Peach Faced Lovebird [Agapornis roseicollis]
In both the Ringneck Parakeet (Psittacula krameri) and the Budgerigar the (true) Blue varieties were recognised and firmly established before the Parblue varieties. As a consequence they were sensibly named.
The situation with regard to the Peach Faced Lovebird is quite different. Here, two Parblue varieties have existed for many years but, as yet, no true Blue has occurred. In the absence of a true Blue the first Parblue variety, when it was established by Dutch breeders (around 1963), was called the Pastel Blue. To the native English speaker the word pastel immediately implies a pale or diluted colour (a tint) although, on reflection and taking into account artists’ pastels and crayons, it could perhaps also be applied to a muted or less than bright colour (a shade). In no way however does it even hint at a yellow content. In the past our Continental (European) colleagues were no more logical or scientific than we are in naming varieties.
The second Parblue variety is credited as having first occurred in Germany, and in the UK is usually called the Whiteface Blue. Never a satisfactory term, this looks even more inappropriate now that we have a variety of the Splendid Parakeet (Neophema splendida), which is a true Blue, bearing a very similar name.