Do Loons Mate for Life?

Loons are long-lived (20-30 years!) and territorial, returning annually to the same lake to breed. Banding studies have shown that loons do not mate for life and occasionally do switch mates or territories. ... When one loon dies, the remaining member of a pair will find another mate.

Are loons monogamous?

Loons are monogamous, according to the Cornell Lab. Pairs typically bond for about five years. When common loons get to their breeding area and mate, the females lay their eggs beside bodies of water or in shallow water. The nest is usually built by both the male and female on the ground.

Do loons come back to same lake?

Researchers have long known that Common Loons return to the same nesting sites each spring. Now a team from the Biodiversity Research Institute, in Portland, Maine, has found that loons also return to the same locations each winter.