Gulls and terns
Gulls and terns are numerous and diverse in New Zealand. Three species of gulls and five species of terns breed here. Many other species of terns are occasional stragglers. The most common species in this group are the black-backed gull, the red-billed gull, and the white-fronted tern. They are however under-represented in the bird counts from fishing vessels, as these species are mainly coastal.