Bison bouncing back but lack room to roam, forcing herd cuts

ROCKY MOUNTAIN ARSENAL NATIONAL WILDLIFE REFUGE — The dwindling of open space where bison can roam is hurting federal efforts to restore herds, forcing refuge managers to kill hundreds of bison and search for land links between protected areas.

But the bison on fenced preserves continue to multiply — 11 calves were born here this spring after recent forced herd reductions. Interior Secretary Sally Jewell says she is working on ensuring large landscapes nationwide, increasingly by collaborating with private property owners.

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