animal bright bulbous-eyes Camouflage camouflaged casque chamaeleo-calyptratus closeup cold-blooded color-changes coloration colors colour-changes colours cone-headed-chameleon ear exotic eye fauna gentle green head helmet herpetology independent-swivelling insectivore insectivorous legs lizard middle-eastern mouth nose observant patchy reptile reptilian Saudi-Arabia scales skin spiky spines surface surfaces swivel veiled-chameleon Yemen aggressive alert Australian bird common gymnorhina tibicen lookout Magpie protective sharp sharp eyed swoop swooping territorial watchful watching Australia beak face feathers friarbird honeyeater little friarbird native nature nectar eater Philemon citreogularis wetland bird bill colored colorful coloured colourful curved-beak curved-bill downcurved-bill dusky farmer's-friend featheed feeding Grasslands ibis ibises insect-eating iridescence iridescent iridescent-bronze large-waterbird long-down-curved-bill metallic-sheen naked-black-head plumage reedy grass shadows shiny straw-necked-ibis sunlight sunshine threskiornis-spinicollis waders wading-bird water-bird widespread wildlife black-and-white gymnorhina-tibicen maggie mottled nesting nesting-material scavenging scrounging sharp-eyed adolescent-bird clawed claws dark grass grassed area gray grey adolescent bird black and white