A female wood duck is an overall gray with some blue and purple wing markings, a white eye ring, brown eyes and a duller bill ...

When placed in contrast with the bird’s gray wing and back ... as well as a blue bill. Females are brown overall, with tan ...

"This is based on blue-winged teal breeding populations. So, they were recently below the threshold for having a 16-day season." Some duck populations have seen recent increases. Based on the U.S ...