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 active ants Asia bark bite body branch creatures elbowed-antennae feelers insects legs long-antennae mandibles movement moving nature organisms painful path pathway shelter tree tree-branch two-way-traffic vegetation yellow yellow-ants beak black bill black crown bright eyed cinnamon cleaning colored coloured fauna grooming head plumes Heron long white head plumes long yellow legs Nankeen night heron nocturnal nuptial plumes nycticorax caledonicus plumes preening rufous night heron secretive sharp sharp eyed shy stocky waterbird widespread wildlife angles beach concrete Jetty levels long jetty low tide ocean perspective perspectives posts pylons railings rock formations rocks rocky rough safety sand security shipping ships strength strong support support legs textures tidal tides water balearica-pavonina banded black black-crested-crane black-crowned-crane black-head-patch captive crest display displayed displaying distinctive forager golden-head-feathers gruidae gruiformes large long-necked spreading Sub-Saharan toes trained trees-roosting Ugandan-national-bird vertebrate white wings wingspan