Why Were There No Tiny Non-Avian Dinosaurs? Mammals May Have Been to Blame

Aug 10, 2026 - 12:15
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Why Were There No Tiny Non-Avian Dinosaurs? Mammals May Have Been to Blame
Torvosaurus gurneyi. Image credit: © Sergey Krasovskiy.

Dinosaurs evolved into some of the largest animals ever to walk the Earth, but a new mathematical model suggests that early mammals may have crowded them out of the ecological niches reserved for the smallest creatures.

The post Why Were There No Tiny Non-Avian Dinosaurs? Mammals May Have Been to Blame appeared first on Sci.News: Breaking Science News.

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