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Comparative aspects of the thermal biology of African and Australian parrots.
Deserticolous birds inhabit an environment characterised by high ambient temperatures and low rainfall that has low primary productivity. The combination of these factors may lead to the evolution of adaptations that ...
Biology of the greyheaded parrot Poicephalus fuscicollis suahelicus Reichnow.
This study was conducted to investigate the biology of the Greyheaded Parrot Poicephalus fuscicollis suahelicus in the wild. Field work was conducted in north-east South Africa in the southern limit of the range of the ...
On the behavioural ecology and vocal communication of the brown-headed parrot (Poicephalus cryptoxanthus)
The Brown-headed Parrot (Poicephalus cryptoxanthus) is a poorly known species inhabiting open woodland in south-eastern Africa. This study elucidates critical aspects of the species ecology and although each of ...