The Great Tailed Grackle develops long tail feathers in the spring. Songs and calls help attract females while also advertising the territory of a male. Red-eyed Vireos keep up an almost constant song during breeding season. A male Mockingbird will sing for hours, sometimes in the middle of the night, to woo its mate. The drumming sounds of woodpeckers are signals of both territory and courtship.
Many birds use a combination of calls and songs in addition to displays to attract potential mates.
Various types of ducks will throw their head backwards almost to their back while making a duck-alluring call. Swallows will performs aerial dances while calling. After courtship, some pairs of birds will continue to display and call, showing their commitment to each other. Whooping Cranes will dance together, bending low and then leaping over each other. A pair of Canada Geese have a series of calls they make to each other in greeting as well as postures.