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Two UBC Okanagan biologists, who have publicly solicited images of wild cats for their research, say telling the difference between a bobcat or a lynx can be difficult.

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Most evolutionary biologists distinguish one species from another based on reproductivity: members of different species either won’t or can’t mate with one another, or, if they do, the resulting offspring are often sterile, unviable, or suffer some other sort of reduced fitness.

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