predators

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3:53 pm
Thu June 6, 2013

Study shows elk decline linked to drought and predators


A study by the Wyoming Cooperative Fish and Wildlife Research Unit shows that elk migrating to and from Yellowstone are raising fewer calves than in the past.

Report co-author Arthur Middleton says hot, dry weather has limited the amount of forage available, so fewer elk have been getting pregnant. Plus, he says wolves and bears are rebounding and killing more elk calves.

He says in contrast, non-migratory elk outside the park are doing well, because land is irrigated, and predators are scarce.

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