south island pied oystercatcher gather and rest at the lawn near the coast.

south island pied oystercatcher sipo abundant zealand population moving inland riverbeds farmland breed fly leave lawn haematopus finschi torea away cage care freedom feather wild gather oystercatchers migrate beaches estuaries rivers return feeding grounds north large flocks sand spits river mouth longirostris species oystercatcher wading bird native australia commonly found coastline zealand