スミソニアン国立動物園のインスタグラム(smithsonianzoo) - 5月24日 22時21分

Calling all talk show hosts: we have a shell of a paternity test story for you! In a new Smithsonian Conservation Biology Institute study, we found that male desert tortoises that had been relocated from a threatened habitat to a new nearby location are reproducing at a much, much lower rate than resident males. Genetic paternity testing of 92 hatchlings revealed that not a single hatchling was sired by a re-located male. The findings highlight unexpected shortcomings of translocation, a common conservation strategy to rescue populations at risk and bolster genetic diversity and health. #WeSaveSpecies (Photo by Andrew Walde)

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