Eurasian Teal (Anas crecca)

Eurasian Teal (Anas crecca)

Observation - Eurasian Teal (Anas crecca) - UK and Ireland. Description: In the top right-hand corner, there's a duck that looks like a female mallard with a small patch of green on it's wing. Is it a standard female mallard or a different species of duck to that?

In the top right-hand corner, there's a duck that looks like a female mallard with a small patch of green on it's wing. Is it a standard female mallard or a different species of duck to that?