Tundra swans near the mouth of the Patuxent River.These swans can be distinguished from mute swans by their black bills. Tundraswans are native to the Chesapeake Bay region.
3/4/2019 12:28:24 PM
Photographer: Mary Hollinger
Affiliation: NODC biologist
Date: 2002 January 13
Location: Maryland, Patuxent River
Subject: Chesapeake Bay Maryland