White-crested Tiger-Heron

The white-crested tiger heron, also known as the white-crested bittern, is a species of heron in the monotypic genus Tigriornis and a member of the family Ardeidae. It is widely distributed across the African tropical rainforest, often occurring near small streams and marshes. This heron exhibits unobtrusive black, brown and buff coloration and possesses a white crest, which may be viewed when erected. Not much is known about this heron or its behaviors, although it is known to feed on the small fish, crustaceans, frogs, snakes and insects which inhabit rivers or river shores. Despite its elusiveness, it is found over a broad range and has been assessed by the International Union for Conservation of Nature as "Least Concern". Due to threats such as habitat destruction and poaching for use in medicine, its population has been decreasing over time.

Source: Wikipedia