Fossil Footprints in Brazil Hint at a Cougar-Size Mammal That Walked Among Dinosaurs. It's Another Sign That Some Early Beasts Grew to Impressive Sizes After All

Fossil Footprints in Brazil Hint at a Cougar-Size Mammal That Walked Among Dinosaurs. It's Another Sign That Some Early Beasts Grew to Impressive Sizes After All




Don’t think of all Mesozoic mammals as meek and tiny—alongside the terrible lizards, some were giants in their own right



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Sophie Clearwater

Vancouver-based environmental journalist, writing about nature, sustainability, and the Pacific Northwest.

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