The greater roadrunner is a member of the cuckoo family. It is a ground bird that is about two feet in length. It has speckled brown and black feathers on its back and wings and a lighter throat and chest with dark stripes. It has long legs, a very long tail and yellow eyes. It has a crest on its head and the male has a red and blue patch of skin on the side of its head.
Mute Swans may hold their wings over their backs in a puffed up position to show their strength, and the neck may be held in a strong S-curve as an aggressive posture.
A pair of Mute Swans courting. Mute Swans were introduced to North America in the ninetieth century and are viewed as an invasive species.