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This article was the subject of a Wiki Education Foundation-supported course assignment, between 26 August 2021 and 25 December 2021. Further details are available on the course page. Student editor(s): Enmah2001.

Above undated message substituted from Template:Dashboard.wikiedu.org assignment by PrimeBOT ( talk) 18:32, 17 January 2022 (UTC) reply

The article says "Historically, all North American grizzlies were grouped together as one unique species until DNA testing revealed that they should properly be grouped taxonomically in the same species as the smaller, European brown bears."

This is not correct, does anyone wish to discuss this before I edit it? Raggz ( talk) 18:11, 18 March 2015 (UTC) reply

What parts of the state were grizzlies found in?-- NapoliRoma ( talk) 04:06, 4 May 2016 (UTC) reply

This is confusing. So the California grizzly is extinct, and they are considering attempting a deextinction. On the other hand, the California grizzly, according to the article, only is an extinct population and not a subspecies. So what is there to "deextinct"? Wouldn't that just be a matter of repopulating the region it used to live in, as long as the same subspecies continues to exist in other regions? -- 93.212.250.204 ( talk) 13:20, 5 November 2016 (UTC) reply

The same subspecies doesn't exist in other regions. The California population was genetically distinct (but not genetically isolated) from other populations of grizzlies. Also, these deextinction plans are pretty shaky science to begin with. Cloning could only work with existing genetic samples from the California grizzly, probably yielding a gene pool that was not viable in and of itself. Back-breeding could never be completely certain of removing all non-California grizzly genes and might produce the same phenotype using a wildly different genotype. Simply bringing in outside specimens would not restore the California subspecies, but simply introduce a different subspecies to the region. Finally, even if you could produce a genetically viable population that was 100% California grizzly by genetics, there would be no actual California grizzlies to raise the first generation leading to probable behavioral differences. -- Khajidha ( talk) 12:30, 13 July 2017 (UTC) reply

Your points are scientifically entirely correct. (See Miller et al. 2006) The ecosystem that John Muir described is extinct though. It has been argued that the grizzly could not compete in a now segmented landscape and that the black bear is far better adapted now. Then there is the issue of crossing freeways .... 174.50.170.71 ( talk) 22:03, 1 April 2022 (UTC) reply

pupulation is NOT a sub-species, mind you.

Perhaps this may be a "grizzly" analogy, but one could think of the successful and complete genocide of a human group, to understand the plight of the CA grizzly. Sure, you could re-introduce another group that may even resemble the canonical population, but it won't be the same. Don't think too hard about that analogy please. Noble Metalloid ( talk) 00:50, 3 June 2022 (UTC) reply

If Grizzly is a subspecies of brown bear, then why the Californian grizzly is a subspecies of grizzly? This don't make sense at all! I'll quote from Grizzly page:

However, modern genetic testing reveals the grizzly to be a subspecies of the brown bear (Ursus arctos). Rausch found that North America has but one species of grizzly.[13] Therefore, everywhere it is the "brown bear"; in North America, it is the "grizzly", but these are all the same species, Ursus arctos. — Preceding unsigned comment added by 62.11.0.22 ( talk) 23:49, 24 March 2017 (UTC) reply

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Who can I contact about a sighting of one of these Bears? These are not extinct. I saw a momma Bear and two cubs in Weitchpec, CA. on Hoopa Indian territory in 2011. 2601:380:8380:7CA0:F96C:4794:1C28:E622 ( talk) 09:32, 20 October 2022 (UTC) reply

??? DeleteMeuse ( talk) 18:33, 10 October 2023 (UTC) reply

This article was the subject of a Wiki Education Foundation-supported course assignment, between 23 August 2023 and 1 December 2023. Further details are available on the course page. Student editor(s): DeleteMeuse ( article contribs).

— Assignment last updated by DeleteMeuse ( talk) 18:29, 10 October 2023 (UTC) reply