On a cloudless morning in September, sunlight poured through the canopy of a banyan tree near the banks of the Onilahy River, which runs from southwest Madagascar to the Indian Ocean. The tree grew on the edge of a small karst cliff. Its roots spilled over the side like melting candle wax.

I scrambled up the cliff for a better view of the canopy, when I saw something staring back at me: a lemur. It had scruffy white fur, a black face with bug-eyes, and a tail that was at least the length of its body. This wasn’t just any lemur; it was a Verreaux’s sifaka: a critically endangered species that I’ve spent much of my life longing to see.

This story is part of a series

This fall, Vox is publishing a three-part series on conservation in Madagascar, supported by the BAND Foundation. This story

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