Half of Canada's wildlife species are in decline, WWF finds

Despite Canada's vast wilderness, populations of half its vertebrate species are shrinking, a new World Wildlife Fund report finds. And endangered species like woodland caribou and St. Lawrence beluga whales continue to disappear even after becoming protected by federal laws. The Living Planet Report Canada, released Thursday morning by the conservation group WWF-Canada, found 451 of 903 mammal, bird, reptile, amphibian and fish species across the country — half the species in the study — declined in number between 1970 and 2014.

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