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;Creagrus furcatus | ;Creagrus furcatus | ||
[[Image:Swallow-tailed_Gull.jpg|thumb|350px|right|Photo by Juninho]] | [[Image:Swallow-tailed_Gull.jpg|thumb|350px|right|Photo by Juninho]] | ||
==Description== | ==Description== | ||
The only nocturnal gull, a pelagic species that can be found in the Galapagos Islands and the coasts of Equador and Peru.<br> | The only nocturnal gull, a pelagic species that can be found in the Galapagos Islands and the coasts of Equador and Peru.<br> | ||
+ | ==Breeding== | ||
+ | Breeds all year round and lays just one egg each time. Performs mutual preening and head tossing behaviour.<br> | ||
+ | ==Food== | ||
+ | Feeds almost entirely on squid.<br> | ||
+ | ==Call== | ||
+ | Unique clicking sounds, possibly developing for echo location, some typical gull-like cries.<br> | ||
+ | ==Identification== | ||
+ | Sexes are alike. Adult has dark, grey head and red orbital ring, black bill tipped with pale grey. Grey back has a few thin, white areas. The legs are very pink. Juvenile is white and mottled with brown, dark eye patch and orbital ring. No white on bill and paler legs.<br> |
Revision as of 23:12, 24 April 2007
- Creagrus furcatus
Description
The only nocturnal gull, a pelagic species that can be found in the Galapagos Islands and the coasts of Equador and Peru.
Breeding
Breeds all year round and lays just one egg each time. Performs mutual preening and head tossing behaviour.
Food
Feeds almost entirely on squid.
Call
Unique clicking sounds, possibly developing for echo location, some typical gull-like cries.
Identification
Sexes are alike. Adult has dark, grey head and red orbital ring, black bill tipped with pale grey. Grey back has a few thin, white areas. The legs are very pink. Juvenile is white and mottled with brown, dark eye patch and orbital ring. No white on bill and paler legs.