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BILLINGS, Mont. (AP) — After 25 years of inbreeding, Yellowstone National Park’s...

Date Time Genetic markers show Pacific albacore intermingle across equator but remain separate stocks NEWPORT, Ore. – Analyzing thousands of genetic markers in albacore tuna from the Pacific Ocean, researchers at Oregon State University have learned that just seven dozen of those markers are needed to determine which side of the equator a fish comes from. The scientists also discovered that fish from different hemispheres intermingle and sometimes breed with each other. Published today in Evolutionary Applications, the findings are an important step toward better understanding the populatio...

Mange in Yellowstone wolves reveals insights into human scabies and conservation biology Liana Wait, Department of Ecology and Evolutionary Biology Jan. 25, 2021 9:30 a.m. Before wolves were reintroduced to Yellowstone National Park in the mid-1990s, they were vaccinated for common diseases and treated for any parasite infections they already carried. As a result, the first few generations of wolves were relatively disease-free, but over the years, various diseases have found their way into the population.  Both of these Yellowstone wolves display the hair loss and skin lesions ass...