Male budgerigar, melopsittacus undulatus with blue cere, sleep peacefully on the tree branch in the wild, fluff up its feathers to keep warm, langkawi wildlife park, kedah, malaysia, southeast asia

budgerigar budgie melopsittacus parakeet bird parrot male plumage birdwatching perch ornithology blue feather wildlife fluff eye flock species undulatus malaysia nature australia small natural langkawi stand leaf captivity common nap southeast asia cere habitat shell wild rest tree branch environment sleep exotic warm green bright tropical park close sanctuary kedah