Learn about more than 50 species at risk that are found in northern Ontario. We are now in the midst of the largest mass extinction since the disappearance of the dinosaurs more than 65 million years ago. Habitat loss and degradation, climate change, invasive species, pollution and over-exploitation of natural resources are some of the factors driving the decline. This handy guide categorizes species into mammals, birds, reptiles, fish, plants and insects.
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