The Mealy Rosella (Platycercus adscitus palliceps) is a sub-species of the nominate race the Blue- Cheeked Rosella (Which has white cheek patches with blue shadings on the bottom of the patch).
The Browns Rosella or Northern Rosella (Platycercus venustus venustus) is perhaps the most beautifully coloured of all the family, with its unusual light yellow (almost golden) plumage and its distinctive bright blue shoulder patches.
Stanley Rosellas or Western Rosella (Platycercus icterotis icterotis) is the smallest member of the family, and is probably the least aggressive by nature.
Roles of the Wing Whistle in the Territorial Behaviour of Male Broad-tailed Hummingbirds (Selasphorus platycercus)
platycercus) produce a particularly shrill, buzzing whistle as air rushes through slots created by the tapered tips of the ninth and tenth primary wing feathers (Fig.
platycercus indicate that wing sounds of hummingbirds affect the success of territory intrusions.
The Broad-tailed Humming- bird (Selasphorus platycercus) normally winters from northern Mexico highlands, southward into the mountains of central and southern Mexico.
Factors that might limit distribution and ability to thermoregulate were examined in a male Broad-tailed Hummingbird (Selasphorus platycercus) wintering in Arizona, unusual for this species.
En contraste a la condici6n subordinada de los Selasphorus platycercus invernando en M&xico, este ave excluy6 colibr/es como Calypte anna (mayor) y C. costae (menor) de su territorio.
Eastern Rosella and Golden Mantled rosella(Site not responding. Last check: 2007-10-02)
The Golden Mantled rosella (Platycercus eximius splendidus) Which is much brighter in yellow, especially on its back which maintains a bright blue rump.
Observed in Queensland and in the New South Wales regions.
Tasmanian Eastern Rosella (Platycercus eximius diemenensis) as described this information sheet.
Above left, a Crimson rosella (Platycercus elegans) on Kangaroo Island.
Next, an Eastern rosella (Platycercus eximius), photographed in the Adelaide Hills; then an Adelaide rosella (Platycercus elegans flaveolus), photographed in an Adelaide garden.
It's a naturally-occurring hybrid of the Crimson and Yellow rosellas.
Australian Broad-Tailed Parrots: The Platycercus and Barnardius Genera by Stan Sindel & James Gill - Rosella books and rosella videos from Avian Publications.
This book is a field and avicultural study of the true Australian broad-tailed parrots of the genera Platycercus (rosellas) and Barnardius: Eastern, Pale-headed, Northern, Crimson, Yellow, Adelaide, Green, and Western Rosella, and Mallee Ringneck, Cloncurry, and Port Lincoln Parrot.
Each species is discussed at length in individual chapters dealing with field observations, avicultural techniques, breeding procedures, subspecies, racial variations, and known mutations.
Crimson Rosella (Platycercus elegans) of Sunnybank Brisbane Queensland Australia
Unofficial and independent local neighbourhood directory or portal to locate crimson rosella links and information on crimson rosellas (Platycercus elegans) for the suburban community of Sunnybank, Brisbane, Queensland, Australia.
Sightings of Crimson Rosella (Platycercus elegans) in the upper Blue Mountains
Hummingbirds arrest their kidneys at night: diel variation in glomerular filtration rate in Selasphorus platycercus -- Bakken et al.
Articles by Bakken, B. Articles by del Rio, C. Hummingbirds arrest their kidneys at night: diel variation in glomerular filtration rate in Selasphorus platycercus
Unofficial and independent local neighbourhood directory or portal to locate eastern rosella links and information on eastern rosellas (Platycercus eximius) for the suburban community of Sunnybank, Brisbane, Queensland, Australia.
Sightings of Eastern Rosella (Platycercus eximius) in the upper Blue Mountains
The easters rosella (Platycercus eximius) in New Zealand
Australian Broad-Tailed Parrots: The Platycercus and Barnardius Genera by Stan Sindel & James Gill - Parakeet books and parakeet videos from Avian Publications.
Home > Shop Online > Books & Videos > Parakeets > Australian Broad-Tailed Parrots: The Platycercus and Barnardius Genera by Stan Sindel & James Gill
Australian Broad-Tailed Parrots: The Platycercus and Barnardius Genera by Stan Sindel & James Gill
