Families in all 6 biogeography regions
Families in Afrotropic, Australasia, Indomalaya, Nearctic, Neotropic & Palearctic regions
1 South Island Oystercatcher, New Zealand
2 Pied Oystercatcher, Australia
3 Eurasian Oystercatcher, Denmark
4 Magellanic Oystercatcher, Argentina
5 American Oystercatcher, Peru
6 Blackish Oystercatcher, Peru
7 African Oystercatcher, South Africa
8 Variable Oystercatcher, New Zealand
9 Sooty Oystercatcher, Australia