The Trumpeter Swan, also known as Cygnus buccinator, is a magnificent bird that is found primarily in North America. It is the largest swan species in the world, with some individuals reaching up to 6 feet in length and weighing over 30 pounds. However, what makes these swans even more intriguing is the unique behaviors that they exhibit during courtship and mating.

One of the most notable behaviors of the Trumpeter Swan is the trumpet call. These swans have a loud, melodious call that can be heard from miles away. The call consists of a deep, resonant sound that is produced by vibrating the syrinx, a structure located at the junction of the trachea and bronchi. The trumpet call is used by both males and females, but it plays a particularly important role during courtship.

Male Trumpeter Swans use their trumpet calls to attract a mate. They will trumpet loudly and repeatedly, often with their necks fully extended and their wings held out in a display called “busking.” The female swan responds to the trumpet call by vocalizing back to the male, creating a duet that can last for several minutes. This exchange is thought to establish and reinforce the pair bond between mates.

Another interesting behavior of Trumpeter Swans during courtship is the courtship dance. This is a beautiful display of synchronized movements between male and female swans. The dance often takes place on water, with the swans facing each other and paddling their feet rapidly. They will then raise their wings, stretch their necks, and make synchronized head movements. This dance is believed to be a way for the swans to establish their compatibility as potential mates.

Once a pair of Trumpeter Swans has formed a bond, they will often mate for life. The mating season typically occurs in early spring, with nest-building beginning in late April or May. The female will lay 4-6 eggs in a large, bowl-shaped nest that is built near water. Both male and female swans take turns incubating the eggs, which typically hatch in about 35 days.

Overall, the behaviors of Trumpeter Swans during courtship and mating are truly fascinating. From their loud trumpet calls to their graceful courtship dances, these swans exhibit a level of intelligence and sophistication that is truly impressive. For those lucky enough to witness these behaviors in person, it is a truly unforgettable experience.