Even a bird expert and field-guide author can learn more about birds by actively observing and asking questions. Read More “David Sibley takes a close look at American Avocets”
These illustrations show the differences between male and female American Avocets. The male (left) has a straighter bill, lower forehead, and longer, flatter rear crown; the female has a more curved bill, bulging forehead, and steeper rear crown. Art by David Sibley