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The tundra swans mate in the late spring, usually after they have returned to the nesting grounds; as usual for swans, they pair monogamously until one partner dies. Should one partner die long before the other, the surviving bird often will not mate again for some years, or even for its entire life.
There are six living and many extinct species of swan; in addition, there is a species known as the coscoroba swan which is no longer considered one of the true swans. Swans usually mate for life , although separation sometimes occurs, particularly following nesting failure, and if a mate dies, the remaining swan will take up with another.
Trumpeter swan courtship in Seedskadee National Wildlife Refuge. Like other swans, trumpeter swans often mate for life, and both parents participate in raising their young, but primarily the female incubates the eggs. Most pair bonds are formed when swans are 5 to 7 years old, although some pairs do not form until they are nearly 20 years old.
Related: Rescue Swan Returning to His Mate After 2 Weeks Is So Touching. More About Swans' Courtship Ritual. The courtship ritual was so stunning to watch that I decided to learn more about it.
Swans are monogamous and the two have mated with each other for years, but without a partner at the start of the season it looked like Charlotte would have to choose another mate.
More: Abundant food, safe resting grounds bring thousands of tundra swans to the Mississippi River in late fall. More than 306 types of birds migrate through the refuge, including 50% of the world ...
Mate guarding is a typical tactic in monogamous species. [ 13 ] [ 15 ] [ 17 ] It is present in many animal species and can sometimes be expressed in lieu of parental care by males. This may be for many reasons, including paternity assurance.
"Tundra swans, while seen in flocks during migration, separate in solitary pairs (and) mate for life," according to the U.S. Fish and Wildlife Service.