Question

which Eurasian bird feed on decaying flesh of Dead animal.

Answer 1

Answer to your question--

Turkey vultures 

1)-Turkey vultures (right) and other types of vultures feed on dead animals called carrion.

2)-Vulture vomit is not ordinary vomit — it contains rotting flesh, bacteria, and parasites.

3)-They also like eating birds such as ducks, gulls, egrets, geese, herons, coots, alcids, etc.

Answer 2

I don't know it exactly but I think it is carrion