A single white cockatoo or Cacatua alba is perching on a tiny twig inside a zoo in Bangkok, Thailand

white cockatoo cacatua alba endemic tropical rainforests islands indonesia crest lemon yellow ayab papua hooked bill lowlands mollucan islands north maluku caged zoo captivity perch aviary avian aviculture endangered wildlife birds bird trade habitat loss parrot yellow parakeet animals feathers wings bill hooked beak green perched twigs nature grey