endemic species: Quick Facts

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An adult koala stands on a tree branch with a young koala riding on its back, both facing forward with green foliage in the background.

Illustration showing four ways to measure biodiversity: species richness, genetic diversity, endemic species, and ecosystem diversity, using a landscape with varied habitats, marked species, and unique ecosystems.

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conservation: Endemic species

greylag. Flock of Greylag geese during their winter migration at Bosque del Apache National Refugee, New Mexico. greylag goose (Anser anser)

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