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The best animal photos of September

A biologist feeds a newborn orphaned otter cub at the Rehabilitation Center for Wild Animals in Cotia, southeastern Brazil, on Sept. 5.

Photo: Ayrton Vignola/Agencia Estado

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Orphaned otter

A biologist feeds a newborn orphaned otter cub at the Rehabilitation Center for Wild Animals in Cotia, southeastern Brazil, on Sept. 5.