The Little Egret (Egretta garzetta) is a species with a population of 2000 to 2100 specimens in the Danube's Delta. It migrates towards warmer areas during September and it comes back in April.
It has a black beak, contrasting with its completely white plumage. During pairing season, its head is covered by a crest of ornamental feathers... see more - videoguide.ro/en/little-egret-egretta-garzetta-danube-delta.html