Biodiversity in Canada has plunged 10 percent over the last half century, with hundreds of species facing extinction, the World Wildlife Fund (WWF) said in a report Monday.

"On average, every species group included — birds, fish, mammals, and reptiles and amphibians — is trending in the wrong direction," the WWF said in a statement as it released the 2025 Living Planet report for Canada.

While certain populations, like sea otters, are improving, the conservation group said 52 percent of all species studied for this year's Canada report are declining, including the rare snow owl.

"This is the most severe decline we've observed since reporting started," WWF Vice President for Canada, James Snider, wrote.

WWF said that between 1970 and 2022, biodiversity in Canada had decreased by 10 perc

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