Ecology December 2017 PMID 29193090

Physiological stress responses to natural variation in predation risk: evidence from white sharks and seals.

Neil Hammerschlag, Michael Meÿer, Simon Mduduzi Seakamela, Steve Kirkman, Chris Fallows, Scott Creel

Mentions

19
Peak: 5 in Sep 2019
across 6 sources since Dec 2017

Extended reach

30,953
potential audience

Total likes

27

Video views

2,673

Mentions per month

Dec 2017 – Oct 2021

Where it's discussed

  • X / Twitter7 posts
  • Facebook4 posts
  • News4 articles
  • Blogs2 articles
  • Bluesky1 posts
  • YouTube1 videos

AI synopsis

What people are saying

The discussions highlight the significance of the research by emphasizing how unpredictable threats from white sharks induce stress in seals, as seen in phrases like 'stress responses are triggered when prey cannot predict or avoid predation,' and by referencing detailed findings. The tone and language reflect curiosity and support, demonstrating both interest and engagement with the study’s implications for ecological understanding.

AgreementModerate agreement

Most discussions acknowledge and support the findings that unpredictable predation risk elevates stress in seals.

InterestHigh interest

The discussion shows high interest, with references to studies and implications for predator-prey interactions.

EngagementModerate engagement

Participants reference specific studies and methodological insights, indicating meaningful engagement.

ImpactModerate impact

The posts imply that the research contributes valuable understanding to ecological stress responses, though not universally revolutionary.

Abstract in brief

  • This study examines how natural variations in predation risk from white sharks affect the stress levels of Cape fur seals, using fecal glucocorticoid concentrations (fGCM) as a stress indicator.
  • Results showed higher stress levels in seals living at colonies with unpredictable and uncontrollable shark threats, supporting the idea that stress responses are triggered when prey cannot predict or avoid predation risk.
  • The findings suggest that predation risk induces stress mainly when it is unpredictable and not manageable through behavior, highlighting the importance of risk predictability in predator-prey stress interactions.]

Top posts

Most liked on X and Bluesky
Dr. Neil Hammerschlag
@DrNeilHammer · X

#TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We suggest predation risk will induce stress when risk cannot be adequately predicted or controlled behaviorally https://t.co/QfKSe1t9JN https://t.co/5fmcSVMcbQ

Sep 26, 2019 · 7 likes · 4 shares · 10,388 followers View post →
Hannah Rudd
@hannahsrudd · X

Physiological stress responses to natural variation in predation risk: evidence from white sharks and seals (Hammerschlag et al. 2017) https://t.co/P0AUue2lcS #365papers

Jul 18, 2020 · 1 like · 4,122 followers View post →
Shark Research & Conservation Lab
@sharktagging · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 7,490 followers View post →
Hammerschlag Lab
@HammerschlagLab · X

RT @sharktagging: Check out a preview of the video about this study - We think it provides a great addition to the topic of non-consumptive…

Oct 14, 2021 · 1 share · 2,242 followers View post →
Hammerschlag Lab
@HammerschlagLab · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 2,242 followers View post →
Dr Charlotte Birkmanis 佳兰
@CharlotteBirky · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 1,209 followers View post →

All mentions

Hammerschlag Lab
@HammerschlagLab · X

RT @sharktagging: Check out a preview of the video about this study - We think it provides a great addition to the topic of non-consumptive…

Oct 14, 2021 · 1 share · 2,242 followers View post →
Hannah Rudd
@hannahsrudd · X

Physiological stress responses to natural variation in predation risk: evidence from white sharks and seals (Hammerschlag et al. 2017) https://t.co/P0AUue2lcS #365papers

Jul 18, 2020 · 1 like · 4,122 followers View post →
Dr Charlotte Birkmanis 佳兰
@CharlotteBirky · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 1,209 followers View post →
Hammerschlag Lab
@HammerschlagLab · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 2,242 followers View post →
Shark Research & Conservation Lab
@sharktagging · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 7,490 followers View post →
Nuno Queiroz
@nunoqueiroz29 · X

RT @DrNeilHammer: #TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We sugge…

Sep 26, 2019 · 4 shares · 545 followers View post →
Dr. Neil Hammerschlag
@DrNeilHammer · X

#TBT to our study ⁦@ESAEcology⁩ finding that threat of white shark attack causes physiological changes in seals. We suggest predation risk will induce stress when risk cannot be adequately predicted or controlled behaviorally https://t.co/QfKSe1t9JN https://t.co/5fmcSVMcbQ

Sep 26, 2019 · 7 likes · 4 shares · 10,388 followers View post →
David Shiffman, Ph.D.
@whysharksmatter.bsky.social · Bluesky

http://onlinelibrary.wiley.com/doi/10.1002/ecy.2049/abstract New by @DrNeilHammer

Dec 5, 2017 View post →