Cygnus columbianus (Ord, 1815) – Tundra Swan
This is also known as the Bewick's Swan.
Cite this page along with its URL as:
Anonymous. 2020. Cygnus columbianus (Ord, 1815) – Tundra Swan. Satose, V., A. Bayani, V. Ramachandran, P. Roy, and K. Kunte (Chief Editors). Birds of India, v. 2.14. Indian Foundation for Butterflies.