T.E.R:R.A.I.N - Taranaki Educational Resource: Research, Analysis and Information Network

Gull (Red Billed) Chroicocephalus novaehollandiae scopulinus

Phylum: Chordata
Class: Aves 
Order: Charadriiformes 
Family: Laridae 
Genus: Chroicocephalus
Species: C. scopulinus
Subspecies: C. n. scopulinus
Trinomial nameChroicocephalus novaehollandiae scopulinus
Synonyms: Larus novaehollandiae scopulinus, Larus scopulinus
Common name: Silver gull, red–billed gull

Chroicocephalus novaehollandiae scopulinus (Red–billed gull) is a New Zealand native guil. Their size is 
37 cm with the male being up to 300 g while the female is up to 260 g. Grey and white gull are found mainly of the coast. Like Black-billed Gull but shorter deeper bill and boldly patterned wingtips. Adult has head, underparts and tail white, sometimes pinkish on breast; back and wings pearlygey, except wingtips black with small white window. Short deep bright red bill; legs and feet red; eye white. Juvenile and 1st year have larger dark patch at wingtip and very small, if any, white window. Bill dark with pink near base; legs pale flesh to reddish black; eye brown. Habitat: Breeds subantarctic from Africa to Chathams; in NZ region, on coast from Three Kings to Campbell Is; inland colony at Lake Rotorua. Common in coastal waters, beaches and estuaries; only occasionally (but sometimes in large flocks) inland to wet paddocks, playing fields and lakes. Breeding: Oct-Feb.

This information is from http://www.whatbird.co.nz 

Call of Red Billed Gull 


Thanks to Wikipedia for text and information http://creativecommons.org/licenses/by-sa/3.0/