Talk:Eurasian beaver

Beavers in Russia

The distribution map is too much pessimistic. I have seen them personally in both St Petersburg region and Pskov region, and friends of mine reported them from Novosibirsk region (I do not mention literature records, just personal observations). This is a rather common rodent in many parts of Russia, so the map showing this all as a clearly 'former' range is a bit pre-dated. Alexei Kouprianov (talk) 09:04, 30 August 2008 (UTC)

If anyone wants to remake the map, they might be interestet in the map at page 10 of [this] document. Black shows the distribution at the beginning of the 20th century, dark and medium gray show the distribution of Castor fiber today and light gray shows the distribution of Castor canadensis. Vidarfe (talk) 13:16, 30 August 2008 (UTC)

Map is misunderstood!

Wait a second! The explanation with the picture is utterly incorrect. On the Dutch Wikipedia, where the picture comes from, the red area is explained as the distribution of the American beaver in Europe. American beavers sometimes escape from captivity and form feral populations, or they are deliberately introduced. Steinbach (talk) 16:21, 25 March 2009 (UTC)

Size

The article says the European beaver is larger than the American beaver, but American's average size is 20 kg while the European average is 18 kg, and the American ones can weigh "up to 45 kg" but the largest European wieghed 31.7 kg. I think there's a mistake somewhere. —Preceding unsigned comment added by 198.168.191.176 (talk) 13:22, 7 April 2009 (UTC)

The source behind the Euro beaver size and weight is sound. Maybe you should check out the sources behind the US beaver sizes and see if they hold water.Mariomassone (talk) 18:40, 7 April 2009 (UTC)

The source of the North American sizes is Alaskan Fish and Game, fairly authoritative. Why has this not been changed? Halfelven (talk) 21:11, 22 August 2010 (UTC)

Came here to complain about the same. I'll delete this wrong fact. 79.148.171.195 (talk) 23:30, 1 August 2011 (UTC)

the beaver as a fish

I heard that on the CBC that the beaver was considered a fish for Catholics (on Fridays), which might have affected their numbers. I might check out the page out more thoroughly later. Here's what a quick check on Google gave me: What Pope declaired that:?Civic Cat (talk) 18:05, 13 January 2011 (UTC)

diet

what do the beaver eat and why do they chop down trees and make dams?

2.148.172.64 (talk) 21:06, 3 July 2011 (UTC)

Please try Wikipedia:Reference desk. --Walter Siegmund (talk) 20:54, 4 July 2011 (UTC)

Castor fibre

In the page of castor canadensis, the article "Ecological impact of beavers Castor fibre and Castor canadensis and their ability to modify ecosystems". Mammal Review 35 (3–4) is quoted. You can notice the use of castor fibre instead of castor fiber. Is it an alternative spelling or simply an anglicism ?

K. Thomas (talk) 08:02, 30 April 2012 (UTC)

That article is miscited. It actually (doi:10.1111/j.1365-2907.2005.00067.x; also confirmed in the PDF) uses the spelling fiber. Ucucha (talk) 07:48, 5 January 2013 (UTC)

No longer endangered

IUCN lists it as 'Least Concern' now: http://oldredlist.iucnredlist.org/details/4007/1 — Preceding unsigned comment added by Menah the Great (talk • contribs) 02:57, 5 January 2013 (UTC)

Thanks, I've fixed the article. I doubt the IUCN actually ever listed it as Endangered: their "History" section only says it was Near Threatened in 2002, and MSW3 lists only a few subspecies as Endangered or Vulnerable in U.S. ESA and the Red List. Ucucha (talk) 07:55, 5 January 2013 (UTC)

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Combine "Distribution and habitat" & "Conservation" sections?

The "Distribution and habitat" & "Conservation" sections have substantial overlap. Perhaps they should be combined. Also, some of the "Conservation detail" might be relegated to the already-separate (but problematic) Reintroduction of beavers to Europe "sub article". I (a North American) do not have the time right now to undertake any of this myself. Comments (but not beaver dams) welcome! Acwilson9 (talk) 21:28, 10 September 2020 (UTC)

Average Weight In Norwegian Adults

Under descriptions: "In Norway, adult males average 21.5 kg (47 lb), while females average 23.1 kg (51 lb). Adults from the same country average 18.4 kg (41 lb)."

Is it suggesting that there is a third sex of beavers that, taken together with the male and female average means the average beaver of every gender is 18.4 kg? Is it suggesting that the average female is 23.1kg while then going on to a new sentence and clarifying that this is females across all age ranges a d that actually adult females average 18.4kg and beavers are super into dieting right before adulthood? Is it claiming that adult HUMANS from Norway weigh 18.4 kg?

There must be a word wrong or missing that clarifies what it's actually saying, but I couldn't figure out from the three supplied references what it might be. Gildedmuse42 (talk) 01:16, 19 September 2021 (UTC)

English language variant

I have made a few edits to change to Commonwealth English, as the majority of the article is already in Commonwealth English (e.g. colour, hybridise, programme, colonisation, colonised, licence, realised, recognised, behaviour, neighbourhood) vs the few US English examples (estrus, colonized, organized and neighbouring). As some of the article covers beavers in the UK, it seems sensible for the English language variant to be Commonwealth rather than US. Stronach (talk) 09:47, 7 April 2023 (UTC)

Beavers in the UK & Ireland

The map on the page shows the range of the beavers in Europe but there is no indication on the map they live in the British Isles. Yet there is a picture of them at a Scottish river. Are they native to the area or introduced? The map needs to be fixed. 148.76.224.172 (talk) 19:32, 23 June 2023 (UTC)

All wild beaver in the UK are reintroductions. There are wild-living populations in Scotland, Kent, the River Avon in Wiltshire, Devon and Cornwall. There is a NE map showing latest locations. There are also a number of fenced reintroductions scattered across England. Rfawhaddon (talk) 06:06, 27 May 2024 (UTC)