Crane bird tending egg in a nest on leaf litter at the forest floor inside a fenced enclosure at a zoo, adult gray and white crane with red head and long legs inspecting single egg.

crane bird egg nest enclosure zoo feathers beak legs wildlife adult forest ground leaf litter incubation incubating habitat avian portrait feeding protecting conservation fence trees woodland nature outdoors single eggshell care behavior species gray white red neck head closeup standing profile walking territory birdlife ornithology environment shelter