Birds
File:5(31) Black-billed Gull (Chroicocephalus bulleri).JPG

Black-billed Gull

Black-billed Gull

100
1 week ago
Spotted
The Black-billed Gull is a medium-sized gull endemic to New Zealand, characterized by its slender black bill and pale plumage. It is considered the most endangered gull species in the world.
Where to spot
Endemic to New Zealand, primarily found on the South Island, often associated with braided rivers, coastal lagoons, and estuaries.
How to spot
Look for its pale grey plumage, distinctive slender black bill, and elegant flight. Distinguish it from the Silver Gull by its black bill and slightly larger size.
When to spot
Best observed during the breeding season (late winter to early summer) when concentrated in colonies on riverbeds. Can be seen year-round in coastal areas.
File:5(31) Black-billed Gull (Chroicocephalus bulleri).JPG
File:Chroicocephalus bulleri, Christchurch Botanic Gardens, New Zealand 26.jpg
File:Chroicocephalus bulleri - Tarāpuka.jpg
File:Chroicocephalus bulleri 55463758.jpg
File:Chroicocephalus bulleri 56156853.jpg
File:Chroicocephalus bulleri 57166611.jpg
File:Chroicocephalus bulleri 57166619.jpg
File:5(31) Black-billed Gull (Chroicocephalus bulleri).JPG
Credits: Wikimedia Commons
File:Chroicocephalus bulleri, Christchurch Botanic Gardens, New Zealand 26.jpg
Credits: Wikimedia Commons
File:Chroicocephalus bulleri - Tarāpuka.jpg
Credits: Wikimedia Commons
File:Chroicocephalus bulleri 55463758.jpg
Credits: Wikimedia Commons
File:Chroicocephalus bulleri 56156853.jpg
Credits: Wikimedia Commons
File:Chroicocephalus bulleri 57166611.jpg
Credits: Wikimedia Commons
File:Chroicocephalus bulleri 57166619.jpg
Credits: Wikimedia Commons
This gull has a unique nesting preference, often breeding on braided riverbeds, which makes its colonies vulnerable to flooding and introduced predators.
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Spotted

Recently spotted
916 (Seen in the last 3 months)
Last spotted
1 week ago

Monthly observations

6 observations
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Stephan
Stephan
4 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+100
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Stephan
Stephan
4 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+100
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Stephan
Stephan
4 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+100
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Stephan
Stephan
5 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+100
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Stephan
Stephan
5 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+100
No likes yet
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Stephan
Stephan
5 months ago
Black-billed Gull
Spotted Black-billed Gull
Spotted Black-billed Gull
+115
Lifer
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