wallpaper of a swallow in its nest

This image shows a swiftlet lying in a white nest attached to a cliff or cave wall. The nest is made entirely from the swiftlet's…

This image shows a swiftlet lying in a white nest attached to a cliff or cave wall. The nest is made entirely from the swiftlet's saliva, shaped like a thin, ivory-white, slightly transparent cup and firmly attached to the rock surface. The swiftlet has gray-brown feathers, a long, slender body, a small beak and prominent round black eyes. Inside the nest, you can see swiftlet eggs, which indicates that the nest is being used for breeding.