After garnering worldwide attention last year for her research on the origins of egg colour in birds, Yale paleontologist Jasmina Wiemann has taken a second look at her eggshells.
From front to back: an emu egg, a eumaniraptoran theropod egg, and a crocodile egg
[Credit: Jasmina Wiemann]Wiemann had found that all colours and spots on modern birds’ eggs derived from a single evolutionary source among dinosaurs. Part of the finding…
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