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ADELAIDE ROSELLA (Platycercus Elegans Adelaidae) Very few now being kept or bred in the UK, Adelaides vary considerably in terms of the orange base colour, some being a beautiful tangerine colour, others being a rusty red brown colour. Birds produced by directly crossing a Pennant’s Rosella with a Yellow Rosella are occasionally seen, some being identical to Adelaides, others having random splashes of red and yellow feathering. Mutation Adelaides are now appearing, often being introduced through crosses with Pennant’s Rosellas.


YELLOW ROSELLA


(Platycercus Elegans Flaveolus) Never massively popular or widely bred, possibly due to the drab colouration of the youngsters, few youngsters are currently offered for sale each year. Quality varies considerably, as does the extent of orange suffusion into the yellow of the plumage. Most hens show at least some orange colouration on the upper breast, though birds which show signs of hybridisation with either Adelaides or Pennants’ in their past are now rarely seen. Bizarrely a yellow pied mutation of the Yellow Rosella is now being bred, with it’s popularity impacting on the number of pure bred normals available.


EASTERN ROSELLA (Platycercus Eximius) Almost always advertised as Golden Mantled Rosellas in the UK, despite very few actually being from this smaller and more brightly coloured sub species. Birds vary considerably in size and colouration reflecting a mix of the nominate race, the sub species Cecilae or Golden Mantled and the sub species Diemenensis or Tasmanian Eastern. The Golden Mantled is a smaller bird with yellow and black scalloping on the back and mantle, a bright aqua or mint blue/green rump and a dark blue tail. In the nominate race the scalloping is greenish yellow, the rump is apple green and the tail green and blue. The Tasmanian race combines the yellow and black scalloping of the GMR with the rump and tail colour of the Eastern, in addition it shows even more clear yellow on the nape than the GMR and is considerably larger. A tiny number of individuals are now breeding birds of both the genuine GMR and Tasmanian Eastern types, though many breeders simply don’t really know what birds they have. A wide mix of mutations are now available, as each new colour appears their popularity and price soars, as a reliable breeding species the market is then flooded and birds are very difficult to dispose of.


Quality varies considerably, as does the extent of orange suffusion into the yellow of the plumage. Most hens show at least some orange colouration on the upper breast, though birds which show signs of hybridisation with either Adelaides or Pennants’ in their past are now rarely seen. Bizarrely a yellow pied mutation of the Yellow Rosella is now being bred, with it’s popularity impacting on the number of pure bred normals available.


40 BIRD SCENE


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