Talk:Great black-backed gull

Untitled

Requesting a photo showing predation

Swallowing capacity

"It can swallow a puffin or a small wild duck whole.": I have seen both in the television. It got the duck by robbing a peregrine falcon of its kill. Anthony Appleyard 12:13, 4 October 2006 (UTC)

Size range

There have been repeated edits and reverts over the last few days concerning the size measurements in the opening paragraph by User:Jimfbleak and an unregistered user. Both sources cited (Birds of North America, and Handbook of the Birds of the World) are reliable ornithological sources. I suggest giving the minimum and maximum across both sources, and citing both. Albnd (talk) 21:36, 29 January 2012 (UTC)

I don't agree. The user (86.46.247.98) is making a number of similar changes to other articles with a very brief reference (no date, publisher, page numbers, authors). Dger (talk) 03:55, 30 January 2012 (UTC)

Exactly, making unsourced changes to numbers in articles is a favourite tactic of the cleverer vandals, because it looks plausible, isn't picked up by Cluebot (an automatic vandalism reverter) and may be missed by humans. In this case, changes to multiple articles in a short space of time is highly suspicious, especially when their is no new ref or edit summary. Changing items of diet is another irritant. Jimfbleak - talk to me? 06:33, 30 January 2012 (UTC)

Suspicious, yes. But this user seems to be inserting references to the "Handbook of Birds of the World" (albeit at a very rapid pace and without providing the full citation). [[1]]. I have a copy, but am away for 3 weeks. If anyone can check it before then, go ahead. Albnd (talk) 05:25, 31 January 2012 (UTC)

Similar edits have been made in a number of gull articles. Albnd (talk) 05:27, 31 January 2012 (UTC)

Sharks ?

I don't know about the Killer Whale, but I've seen a TV-documentay about sharks attempting to grab swimming birds at the surface. They needed very many attempts before actuall catch one - due to the wave the shark itself produces at the attack. Those birds were not any kind of gulls, but the vawe must be the same problem independant of what bird the shark attempts to catch. Gulls in general are good to learn, so I strongly doubt if the number of Larus marinus that end their days eaten by a shark are worth mentioning. The Great Black-backed Gull also seems to lack fear of Sea eagles (Bald one's or Eurasioans), infact the attack eagles and other bird of prey if they approaches their breeding nests. I've got a picture (in black/white) from a Swedish ornithological book, where a single L.marinus or L.argentatus attacks an Eurasian Sea Eagle. It's perhaps aloud to be uploaded. If I have understood copyright matters correctly, then Swedish printed books from before 1968 are free to upload. I'm not quite sure though. Boeing720 (talk) 22:16, 1 November 2013 (UTC)

On the subject of eagles (not sure about sharks), I have seen similar pictures of GBB/LBB/Herring Gulls attacking sea eagles myself (e.g. [2] [3]) over the years. They will certainly attempt to defend themselves and their young against the eagles - and also confront them and attempt to steal whatever food they have in their talons. I don't really know how often Great Black-backs are actually preyed on by the eagles though. Personally, I'd suspect that it's usually the sick and injured ones, or the recently-fledged youngsters that are usually targeted, however. You might also find this Falconry Forum thread interesting. It would seem that trained birds that are far smaller than the eagles you're talking about will sometimes take GBBGs, even though it doesn't seem to be something that is particularly recommended. --Kurt Shaped Box (talk) 16:38, 2 November 2013 (UTC)

Information under "Status" not true (anymore)

The article says "The great black-backed gull is additionally hunted for sport in Denmark." It is not legal any more, since last year. See here: http://naturstyrelsen.dk/nyheder/2014/maj/stop-for-jagt-paa-syv-fuglearter-og-en-hun/ 80.167.102.168 (talk) 22:30, 7 September 2015 (UTC)

Statement removed after checking your ref. Dger (talk) 01:25, 8 September 2015 (UTC)

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A Commons file used on this page has been nominated for deletion

The following Wikimedia Commons file used on this page has been nominated for deletion:

• LarusMarinus or L.Argentatus attacking HaliateusAlbicilla.JPG

Participate in the deletion discussion at the nomination page. —Community Tech bot (talk) 10:41, 30 December 2018 (UTC)