From the IUCN Red List Species Account:

Range Description

This species occurs in extreme southeastern Nigeria (from where it has recently been recorded in the Oban Hills (M. Gartshore pers. comm.), southern and southwestern Cameroon and mainland Equatorial Guinea, generally at low elevations up to 900m asl.

Habitat and Ecology

This is a lowland forest species occurring in hilly areas up to 900m asl. It favours forests that have humid, but not marshy, floors, and requires tall forest with a closed canopy. It breeds in fast, rocky streams with clean water. The males call from the ground not far from water.

Population

It is a common species, especially at 300-900m asl.

Population Trend

Decreasing

Major Threats

It is presumably declining as a result of habitat loss.

Conservation Actions

It occurs in Cross River National Park (Nigeria), Korup National Park (Cameroon), Monte Alen National Park (Equatorial Guinea), and probably in some other protected areas.

Citation

Jean-Louis Amiet, Mary Gartshore 2004. Nyctibates corrugatus. In: IUCN 2012