Sex of fossil bison

Widespread male sex bias in mammal fossil and museum collections.




A male bias was also found in brown bears — around two thirds of specimens were male. But the predominance of males in collections of fossil animals does not appear to be universal.



Why are fossils more often male?


The Quirk of Collecting That Skews Museum Specimens Male

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Widespread male sex bias in mammal fossil and museum collections.
It turned out that approx. More collecting runs up against an obvious concern in a world where species both beloved and crucial to their ecosystems are fading out of existence: How many animals, exactly, is too many to remove from their natural populations?

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