Red-billed gulls prepare for breeding in October, engaging in courtship behaviour. Pairs build a nest of seaweed or grasses before the female lays two or three eggs. There are more females than males in the breeding population, as females live longer. After mating, some males move on to a new partner, and two females might create pair bonds and raise the chicks together. This is the case for about 6% of nests.
Using this item
Department of Conservation
Photograph by Rod Morris
This item has been provided for private study purposes (such as school projects, family and local history research) and any published reproduction (print or electronic) may infringe copyright law. It is the responsibility of the user of any material to obtain clearance from the copyright holder.