Lesser Black-backed Gulls 20090411 Bialystok
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3:58
How Nature Works: Gull Territorialityby LabofOrnithology5,290 views- 0:33
Great black backed gullby dolhijn703 views
- 1:32
Great Black-backed Gull fight.MOVby rios26031,852 views
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Great Black-backed Gullby peasant1983 views
- 3:25
Ecology Video: Black Backed Gull and Puffinsby olandesed1,033 views
- 0:48
Lesser Black-backed Gull preening in Utahby eastregulater221 views
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Lesser Black-backed Gull - Larus fuscus intermediusby bogabirder350 views
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Gulls and Jackdaws at Little Marlow Gravel Pit, Bucks, UKby Hawfinches647 views
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Short & Lame Encounter With a Sea Gullby ketchuph8r8,261 views
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Whooper Swans on Solwayby MrDavidh49555 views
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Common Tern v Lesser Black-backed Gullby RyeHarbourUK215 views
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Herring Gull Killby COHPSCANADA1,842 views
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Wycieczka PTOP 22 III 2009by Avestom279 views
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Flock of Seagullsby ritchie437 views
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Peregrine (Falco peregrinus) Sokół wędrownyby Avestom8,548 views
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Whooper Swans, Biebrza Marshes, Feb 2008by Avestom1,383 views
- 0:35
A dancing Herring Gullby paulcking3,622 views
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Lesser Black-backed Gullby upnorthandwild75 views
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Puffin Island - BBC2by nickhawkes2,335 views
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Lesser Black-backed Gullby stevewaite177 views
The herring / lesser black back gull group has a ring distribution around the northern hemisphere. Differences between adjacent forms in the ring are fairly small but by the time the circuit is complete the end members- herring & l.b.b gull are clearly different species.ie in Europe they coexist without interbreeding. For more see the excellent book "The ancestors tale " by Richard Dawkins, or wikipedia, also evolutionfairytale or Talkorigins, Collins photographic bird guide 1990
zytigon 4 months ago