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Zoology

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Phylogenetics

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A Risk Assessment And Phylogenetic Approach, Culum Brown Aug 2019

A Risk Assessment And Phylogenetic Approach, Culum Brown

Culum Brown, PhD

The precautionary principal is often invoked when talking about the evidence of sentience in animals, largely because we can never be certain what any animal is thinking or feeling. Birch (2017) offers a preliminary framework for the use of the precautionary principal for animal sentience combining an epistemic rule with a decision rule. I extend this framework by adding an evolutionary phylogentic approach which spreads the burden of proof across broad taxonomic groups and a risk assessment component which magnifies the likely impact by the number of animals involved.


Road-Killed Bats, Highway Design, And The Commuting Ecology Of Bats, Amy L. Russell, Calvin M. Butchkoski, Leslie Saidak, Gary F. Mccracken Jun 2009

Road-Killed Bats, Highway Design, And The Commuting Ecology Of Bats, Amy L. Russell, Calvin M. Butchkoski, Leslie Saidak, Gary F. Mccracken

Amy L. Russell

During a Myotis sodalis telemetry project in Pennsylvania, USA, in 2000, road-killed M. lucifugus were recorded and a highway survey was initiated. The purpose of this study was to assess the level of mortality from road kills on this colony, verify which species were being killed in traffic and examine the influence of canopy height and structure on flight behavior. On 10 evenings between 15 May and 26 July 2001, bats were counted as they emerged from day roosts and crossed a heavily trafficked highway en route to foraging areas. A total of 26 442 bats were observed cross- ing …