Journal
FORENSIC SCIENCE INTERNATIONAL
Volume 314, Issue -, Pages -Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.forsciint.2020.110392
Keywords
Vulture scavenging; Postmortem interval estimation; Geographic information system; Global positioning system
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Funding
- Texas State University's Research Enhancement Program (REP)
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This project expands on a pilot study by Spradley, Hamilton, and Giordano (2012) that investigated the patterns and effect of vulture scavenging of human remains, with special focus on the effect of microenvironments. Five donated bodies from the Willed Body Donation Program at Texas State University were placed in various locations at the university's Forensic Anthropology Research Facility (FARF). The bodies were monitored by motion capture cameras and after each vulture scavenging event the dispersal and location of the bodies' skeletal elements were mapped with a high accuracy GPS unit. The degree and direction of dispersal by vultures were then analyzed with GIS. Phase II revealed that vultures will begin scavenging at variable times, will continue to return to and move remains after a body has been skeletonized, and tend to move remains from higher elevations to lower elevations. The data also suggested that vultures may scavenge in larger groups (n > 20) in cooler temperatures, but in warm to hot temperatures they may scavenge more frequently in smaller groups (n approximate to 5). Future directions for vulture scavenging profiles are briefly discussed. (C) 2020 Elsevier B.V. All rights reserved.
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