Diet Overlap

Haematopus longirostris (Pied Oystercatcher)
Haematopus unicolor (Variable Oystercatcher)

Common Diet

Mytilus edulis (Blue mussel)

Common Habitat

New Zealand
North Island temperate forests
Northland temperate kauri forests

Attributes / relations provided by
1del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.