Plus, the Cackling Goose has a white-collar at the base of ... Why do birds have S shaped necks? Birds like the Great Egret has a long neck so it can stab it into the water to catch fish but ...

These animals have a more defined, thinner S-shaped neck than other egrets ... in addition to being birds with white heads. They are long, small, and have an average lifespan of 36 years.