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Bighorn sheep in Hells Canyon are turning up sick with pneumonia after more than five years without an outbreak of the potentially fatal disease. In an unfortunate turn, biologists said, the highly contagious illness could have spread because the herd was doing so well.
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When bighorns come into contact with grazing domestic sheep – the meetup could be deadly for the wild animals.
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A tiny parasite is killing bighorn lambs in the Northwest. A new study has identified a common parasite that’s causing stillborn births of lambs.
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Bighorn sheep in the Northwest have their lambs in early spring. About now, those babies start playing together in the mountains – a sort of lamb…