Resident raptors include pied kingfisher, brahminy kite and marsh harrier. Bird of prey species such as marsh harrier and hobby are also present. Many of these birds are hunted by predators such as peregrine and marsh harrier. Most populations of the western marsh harrier are migratory or dispersive. It is also known as the Eurasian marsh harrier. It is also known as the Australasian harrier or Pacific marsh harrier. While the osprey and marsh harrier have slowly returned to Ireland naturally. Around 65 species breed there each year, including black-necked grebe, marsh harrier, and Cetti's warbler. African marsh harrier and black Harrier hunt by quartering the ground. It resembles a small Eurasian marsh harrier but is slimmer and paler brown. The marsh harrier is now usually split into several species, sometimes as many as six.