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Pavo cristatus
There are several colour mutations of Indian Peafowl. These very rarely occur in the wild, but selective breeding has made them common in captivity. The Black-shouldered or Japanned mutation was initially considered as a subspecies P. c. nigripennis (or even a species), and was a topic of some interest during Darwin's time. It is however only a case of genetic variation within the population. In this mutation, the adult male is melanistic with black wings. Young birds with the nigripennis mutation are creamy white with fulvous tipped wings. The gene produces melanism in the male and in the peahen it produces a dilution of colour with creamy white and brown markings. Other variations include the pied and white forms all of which are the result of allelic variation at specific loci.
Kankaria Zoo,
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