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Hunting elevates stress responses in some mammals, but not consistently.

The Claim

Animal species subject to trophy hunting experience greater behavioral and physiological stress than other wildlife populations.

Verified by Lenz ·

The Short Version

Hunting is associated with elevated stress hormones or stronger risk-avoidance behavior in some mammal populations, especially certain ungulates, but the pattern is not consistent. Credible studies report null effects or habituation, physiological evidence is less complete than behavioral evidence, and findings cannot yet be generalized across animal taxa. Research on hunting broadly also does not always isolate trophy hunting.

Caveats

  • The evidence is concentrated in mammals, particularly ungulates, and does not support a conclusion covering animal species generally.
  • Behavioral changes such as vigilance or flight do not necessarily establish elevated long-term physiological stress.
  • Several studies assess hunting broadly rather than isolating the effects of trophy hunting.

The Receipts

  1. Between hunter and climate: the effects of hunting and environmental change on fecal glucocorticoid metabolite levels in two sympatric ungulate species in the Ruaha–Rungwa ecosystem, Tanzania

    doi.org

  2. Trophy Hunting Versus Ecotourism as a Conservation Model? Assessing the Impacts on Ungulate Behaviour and Demographics in the Ruaha-Rungwa Ecosystem, Central Tanzania

    doi.org

  3. The influence of hunting pressure and ecological factors on fecal glucocorticoid metabolites in wild elk

    doi.org

  4. the effects of hunting and environmental change on fecal ...

    pmc.ncbi.nlm.nih.gov

  5. Physiological plasticity in elephants: highly dynamic glucocorticoids in African and Asian elephants

    doi.org

  6. Potential impact of trophy hunting on vigilance and flight behaviour in Blue Sheep (Bharal: Pseudois nayaur)

    doi.org

  7. Wildlife flight response in hunting and non-hunting areas of Northern Zimbabwe

    doi.org

  8. Trophy hunting and perceived risk in closed ecosystems: Flight behaviour of three gregarious African ungulates in a semi-arid tropical savanna

    doi.org

  9. Physiological Stress Reactions in Red Deer Induced by Hunting Activities - PMC

    ncbi.nlm.nih.gov

  10. The impact of stalking hunt season on long-term stress in big game

    bmcvetres.biomedcentral.com

+ 27 more sources — see the full list on Lenz

Filed Under

Trophy HuntingWildlife Populations

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