Dozens of pets and farm animals including cats, dogs, horses, donkeys and alpacas were chased or attacked by hound packs in the most recent hunting season, anti-hunt campaigners say.

Keswick Hunt Club Huntsman Paul Wilson leads the hounds during a hunt in Madison County between Uno and Somerset.

Cougars in Yellowstone National Park, for instance, used to hunt in open bottomlands and sagebrush flats. Now they prefer steeper or more heavily forested areas that offer better cover.

The hunt say hounds are trained to follow a pre-laid scent trail, while remaining in full compliance with the Hunting Act 2004.

Her research investigated the effects of hunting on cougar population demography in Washington State. Cooley studied the impact of hunting in two of the nine cougar management areas in Washington.