Small black and white cormorant with stubby yellow bill. In most of range has completely white undersides, lacking black "trousers." In New Zealand underparts coloration more variable, and can be anywhere from white to mostly black with a white throat and face. Take care to identify from Pied Cormorant, which has a long ivory bill and contrasting black “trousers” on the flanks near the legs. Found in a wide range of watery habitats, including small ponds, creeks, and dams.