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Wildlife Die-Offs are Relatively Common, Recent Bird Deaths Caused by Impact Trauma

By Guest PostJanuary 11, 2011Naturearkansas, arkansas bird analyses, autopsy, avian botulism, avian cholera, bat species, baton rouge, beebe, bird deaths, david e green, die off, impact trauma, internal hemorrhaging, jonathan sleeman, la, lead poisoning, louisiana, necropsies, new year eve, newcastle disease, North America, parasites, pathologist, pesticide tests, red winged blackbird, starvation, west nile virus, wildlife

Large wildlife die-off events are fairly common, though they should never be ignored, according to the U.S. Geological Survey scientists whose preliminary tests showed that the bird deaths in Arkansas on New Year’s Eve and those in Louisiana were caused by impact trauma.

Preliminary findings from the USGS National Wildlife Health Center’s Arkansas bird analyses suggest that the birds died from impact trauma, and these findings are consistent with the Arkansas Game and Fish Commission’s statement. The State concluded that such trauma was probably a result of the birds being startled by loud noises on the night of Dec. 31, arousing them and causing them to fly into objects such as houses or trees. Scientists at the USGS NWHC performed necropsies—the animal version of an autopsy—on the birds and found internal hemorrhaging, while the pesticide tests they conducted were negative. Results from further laboratory tests are expected to be completed in 2-3 weeks. (more…)

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Wildlife Die-Offs are Relatively Common, Recent Bird Deaths Caused by Impact Trauma