Sex of fossil bison

Sex of fossil bison

Widespread male sex bias in mammal fossil and museum collections.

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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.

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Why are fossils more often male?

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The Quirk of Collecting That Skews Museum Specimens Male

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bison Sex of fossil

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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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