african balearica-regulorum bird colorful coloring colors colourful colouring colours crane crown crowned endangered feathers feathery-crown gold-crown gray grey grey-crowned-crane long-legged majestic omnivore omnivorous plumage Ugandan-national-symbol vulnerable Africa animal avian balearica beak beautiful beauty black blue close-up conservation crest crested eye face fauna feather gold grass green head looking national natural nature neck ornithology park portrait red regulorum safari savanna wattle white wild wildlife wing balearica-pavonina banded black-crested-crane black-crowned-crane black-head-patch captive display displayed displaying distinctive forager golden-head-feathers gruidae gruiformes large long-necked spreading Sub-Saharan toes trained trees-roosting Ugandan-national-bird vertebrate wings wingspan