A. palustris (left) and scirpaceus (right), 2cy+ May. Note 1) the proportionally shorter and thicker bill in the palustris, and 2) the tendency for scirpaceus to show a more well set-of pale eye-ring. [CS02495 and CS02496]
A. palustris (left) and scirpaceus (right), 2cy+ May. Note 1) the proportionally shorter and thicker bill in the palustris, and 2) the tendency for scirpaceus to show a more well set-of pale eye-ring. [CS02495 and CS02496]