anas (duck) clypeata (furnished with a shield)
Saturday, March 22, 1980 — 8:15 am
Barrington, Illinois — Crabtree Nature Center
This pair of Northern Shovelers were swimming in Crabtree Lake. As I watched, they took off and flew low over the water until they passed from our sight. Later, I saw them, or another pair, standing on a bar in the center of the lake near the island.