Some of the birds are arriving back from the south, like the trumpeter swans. The oldest known Trumpeter Swan was at least 26 years, 2 months old female when she was identified in Wisconsin in 2015.
Swans Arriving Back
Some of the birds are arriving back from the south, like the trumpeter swans. The oldest known Trumpeter Swan was at least 26 years, 2 months old female when she was identified in Wisconsin in 2015.
Swans Arriving Back