Van Long nature reserve in northern Ninh Binh Province, well known for hosting the world’s largest population of Delacour's langurs, is also home to rare bird species.
The Eurasian coot (Fulica atra) is a member of the rail and crake bird family. It has a slaty-black body, glossy black head and white bill with a white frontal shield.
White-browed crake (Poliolimnas cinereus) feeds on a water lily pond. The species has small, slim-bodied crake with relatively long legs and toes and always scrambles over floating plants and densely vegetated wetlands.