Unlike most owls, the Burrowing Owl nests underground. …

Plus: Honey bees love a puzzle and the efforts to save bison in Saskatoon, caribou in Jasper and spotted owls in B.C.

Plus: the extinct mega-herbivore that once shaped kelp forests, the rare fern fueling a Cape Breton golf course controversy, the great gray owl’s hunting skills revealed, and the continuing crash of Canada’s fish stocks despite investment.