Loud mouthed Gull..., Bernard Spragg Photo

The familiar large gull throughout New Zealand. Adults have white head and underparts with black back, yellow bill with red spot near tip of lower mandible, and pale green legs. Juveniles are dark mottled brown with black bill and legs; their plumage lightens with age until they moult into adult plumage at 3 years old...Voice: a long series of loud calls ‘ee-ah-ha-ha-ha’ etc, given in territorial and aggressive contexts.