calves

Elk
6:28 pm
Wed June 12, 2013

Study: Elk pregnancies unaffected by wolf presence

Credit ucumari / Creative Commons

A study by the Wyoming Cooperative Fish and Wildlife Research Unit shows that elk are not especially stressed out by the presence of wolves.

Pregnancy rates among migratory elk herds near Yellowstone have declined, and one theory was that wolves were harassing the elk – causing them to run and hide, and depriving them of grazing opportunities.

Arthur Middleton, the lead author on the report, says elk did move around somewhat to get away from wolves, but only when the wolves were within one kilometer away. And he says wolves only rarely came that close.

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