Malachite kingfisher pair, (Corythornis cristatus), after digging in mud, Chobe National Park, Botswana

malachite kingfisher corythornis cristatus botswana birds wildlife nature foraging mud riverbank colorful avian pair habitats feeding behavior natural environment small kingfishers wetlands biodiversity animal ornithology avifauna conservation outdoor digging paired ecology fauna colors river ecosystem aquatic nesting mating display viewing