A narrow flood-plain of the River Blackwater surrounded by parallel sandstone ridges and extending 29 km along the river from Fermoy east to Cappoquin. The site comprises the river itself and adjacent wet grassland along either side.
The river flood-plain supports important numbers of wintering waterfowl. Additional species wintering in numbers of national importance are Anas penelope (4,217 birds, 1996), Anas crecca (1,844 birds, 1996), Anas platyrhynchos (844 birds, 1996) and Anas clypeata (50 birds, 1996).
BirdLife International (2020) Important Bird Areas factsheet: River Blackwater callows. Downloaded from http://www.birdlife.org on 25/05/2020.