Glob Chang Biol July 2021 PMID 33793039

Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change.

Ansley S Petherick, Joshua D Reuther, Scott J Shirar, Shelby L Anderson, Larisa R G DeSantis

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Mentions

71
Peak: 12 in Apr 2021
across 6 sources since Apr 2021

Extended reach

50,008
potential audience

Total likes

38

Video views

404

Mentions per month

Apr 2021 – Feb 2025

Where it's discussed

  • News47 articles
  • X / Twitter15 posts
  • Blogs4 articles
  • YouTube2 videos
  • Facebook2 posts
  • Bluesky1 posts

AI synopsis

What people are saying

The overall tone reveals strong support and high interest in the study, evidenced by comments like 'read the article' and expressions of concern for polar bears' future. Words such as 'fate doesn't look good' and 'amazing new paper' demonstrate emotional engagement and recognition of the research's importance, shaping the discussion into a meaningful exchange on climate-related impacts on Arctic wildlife.

AgreementModerate agreement

Most discussions acknowledge the significance of the research and concur with its findings on polar bears' dietary shifts due to climate change.

InterestHigh interest

Participants exhibit high interest, referencing the article directly, sharing praise, and emphasizing the importance of the topic.

EngagementModerate engagement

Comments go beyond superficial mentions by sharing information, congratulating researchers, and discussing implications, reflecting thoughtful engagement.

ImpactHigh impact

The conversations highlight the research's potential influence on understanding climate impacts and conservation debates, indicating substantial impact.

Abstract in brief

  • The study examines how Alaskan polar bears' diets have changed over time and in response to Arctic climate change, focusing on their specialized soft-blubber diet and potential shifts toward harder foods like carcasses or terrestrial resources in the 21st century.
  • Despite climate warming and reduced sea ice, polar bears have historically maintained their diet of soft, lipid-rich foods, but recent findings suggest some 21st-century bears are consuming more mechanically challenging foods, possibly due to increased human impact or resource availability.
  • Morphological features such as elongated skulls and reduced molars limit polar bears’ ability to eat hard foods, indicating dietary shifts are likely only under extreme circumstances, highlighting their evolutionary specialization and potential vulnerability to environmental changes.]

Top posts

Most liked on X and Bluesky
James T. Stroud
@jamesTstroud · X

Amazing new paper by @WUSTLBio grad student @AnsleyPetherick! Congrats!!

Apr 2, 2021 · 7 likes · 2,387 followers View post →
B i y o t e k n o l o j i
@Biyoteknolojitr · X

Bilim insanları nesli tükenmekte olan kutup ayılarının boz ayılarla çiftleştiğini ve Kuzey Kutbu'nda ortaya Grolar ismi verilen melez ayıların çıktığını söylüyor.

Apr 29, 2021 · 4 likes · 2,834 followers View post →
DeSantis DREAM Lab
@DeSantisLab · X

Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSantisLab revealed from modern and archaeological bears from the medieval warm period: https://t.co/pjAgL2HS5N see the video abstract: https://t.co/eEylVxinX6)

Apr 2, 2021 · 2 likes · 5 shares · 327 followers View post →
Global Change Biology
@GlobalChangeBio · X

JUST PUBLISHED Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change @AnsleyPetherick @DeSantisLab #polarbear #climatechange

Apr 7, 2021 · 1 like · 1 share · 18,451 followers View post →
Global Change Biology
@GlobalChangeBio · X

read the article: https://t.co/LsiHKzacbW https://t.co/WmA4hxw8pJ

May 17, 2021 · 1 like · 1 share · 18,451 followers View post →
Gordon Neighbour
@CornubiaGeol · X

RT @DeSantisLab: Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSant…

Apr 2, 2021 · 5 shares · 3,662 followers View post →

All mentions

faunaenelespejo
@faunaenelespejo · X

Más información: Petherick, A. S., J. D. Reuther, S. J. Shirar, S. L. Anderson and L. R. G. DeSantis (2021). "Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change". Global Change Biology 27 (13): 3109-3119.

Feb 24, 2025 · 5 followers View post →
Francesco P.
@SpiruSensei · X

@WakkerW @CO2Coalition I recommend you checking peer reviewed data on experts on the subject. From ice loss: https://t.co/C6hi11ldHE to food risks: https://t.co/vnpo2NDod3 You are talking due to conservation efforts from a lobbyist, these are what the ecologist say: https://t.co/LWs1vEDqMw

Feb 16, 2025 · 183 followers View post →
Climate Change
@Kings_Cambridge · X

Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change https://t.co/GUQ7KYCZ4T #climatechange

Jun 4, 2021 · 953 followers View post →
John_MalcGoodman
@malcgoodman · X

RT @GlobalChangeBio: read the article: https://t.co/LsiHKzacbW https://t.co/WmA4hxw8pJ

May 18, 2021 · 1 share · 91 followers View post →
Global Change Biology
@GlobalChangeBio · X

read the article: https://t.co/LsiHKzacbW https://t.co/WmA4hxw8pJ

May 17, 2021 · 1 like · 1 share · 18,451 followers View post →
B i y o t e k n o l o j i
@Biyoteknolojitr · X

Bilim insanları nesli tükenmekte olan kutup ayılarının boz ayılarla çiftleştiğini ve Kuzey Kutbu'nda ortaya Grolar ismi verilen melez ayıların çıktığını söylüyor.

Apr 29, 2021 · 4 likes · 2,834 followers View post →
Ansley Petherick
@AnsleyPetherick · X

RT @DeSantisLab: Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSant…

Apr 8, 2021 · 5 shares · 45 followers View post →
Ansley Petherick
@AnsleyPetherick · X

RT @GlobalChangeBio: JUST PUBLISHED Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate…

Apr 8, 2021 · 1 share · 45 followers View post →
Global Change Biology
@GlobalChangeBio · X

JUST PUBLISHED Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change @AnsleyPetherick @DeSantisLab #polarbear #climatechange

Apr 7, 2021 · 1 like · 1 share · 18,451 followers View post →
David Shiffman, Ph.D.
@whysharksmatter.bsky.social · Bluesky

Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change https://onlinelibrary.wiley.com/doi/10.1111/gcb.15573?af=R

Apr 3, 2021 View post →
EvolutionVU
@EvolutionVU · X

RT @DeSantisLab: Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSant…

Apr 2, 2021 · 5 shares · 816 followers View post →
Gordon Neighbour
@CornubiaGeol · X

RT @DeSantisLab: Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSant…

Apr 2, 2021 · 5 shares · 3,662 followers View post →
DeSantis DREAM Lab
@DeSantisLab · X

Happy #FossilFriday! Unfortunately, the fate of polar bears doesn't look good. Check out what @AnsleyPetherick and @DeSantisLab revealed from modern and archaeological bears from the medieval warm period: https://t.co/pjAgL2HS5N see the video abstract: https://t.co/eEylVxinX6)

Apr 2, 2021 · 2 likes · 5 shares · 327 followers View post →
James T. Stroud
@jamesTstroud · X

Amazing new paper by @WUSTLBio grad student @AnsleyPetherick! Congrats!!

Apr 2, 2021 · 7 likes · 2,387 followers View post →
Climate Change
@Kings_Cambridge · X

Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to Arctic climate change https://t.co/GUQ7KYCZ4T #climatechange

Apr 2, 2021 · 953 followers View post →
H Stiles
@HStiles1 · X

Dietary ecology of Alaskan polar bears (Ursus maritimus) through time and in response to #Arctic climate change https://t.co/RwbGC4cD9C

Apr 2, 2021 · 354 followers View post →