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Action | Student News

Living a Double Life

For Six Months of the Year, Grad Student Luke Dollar Trades Number Crunching in Durham for a Chance to Track the Elusive Fossa in Madagascar

by Margaret L. Harris

Dressed in his Sunday best and fresh from singing tenor in Duke's Chapel Choir, Luke Dollar doesn't look much like a field biologist. The floppy fringe of hair around his clean-shaven face is neatly combed, he doesn't exude strange jungle odors, and nothing about his amiable grin suggests tropical diseases, pith helmets, or man-eating crocodiles.

But Dollar, it seems, lives a double life. When the doctoral student in ecology is in Durham, work with adviser Stuart Pimm in the Nicholas School of the Environment and Earth Sciences means chugging through data and sipping wine on Sunday afternoons with the rest of Pimm's group - a tight-knit crew he lovingly calls "The Family."

For six months of the year, though, Dollar's life takes him to Madagascar, an island off the coast of southern Africa and home to some of the strangest and least-understood animals on Earth. At the field station he and Pimm established in the Ankarafantsika dry forest, Dollar is principal investigator for several projects, including a groundbreaking study of Madagascar's largest predator and a systematic survey of Malagasy conservation efforts. It's a world away from Durham, and by the time he reaches the station, Dollar's ties and fine food are long gone, traded for wildlife-themed t-shirts and a steady diet of rice and beans.

Not that he's complaining. Dollar estimates he has traveled to Madagascar "10 or 11 times," and he relishes each opportunity to step outside the Western mainstream.

"Living there teaches you what you really need to survive, to be happy," he said. "It's not things-based. We take a lot for granted."

Dollar, a 1995 Duke graduate, made his first trip to the island nation in the Indian Ocean when he was still an undergraduate. He spent the summer before his senior year working on a Duke Primate Center project in the southeastern Ranomafana rain forest. On that trip, he studied lemurs - cuddly vegetarian ancestors of monkeys and apes. But he found his true calling after a mysterious signal from a long-dead transmitting collar led him to wisps of lemur fur, a mangled radio collar, and very little else.

The collar-chomping culprit, his Malagasy guide explained in hushed tones, was a fossa (pronounced FOO-sa), Madagascar's largest predator. Pound-for-pound, the elusive, bobcat-sized fossa is among the world's fiercest creatures. At the end of the dry season when prey is in short supply, Dollar says, they've been known to "do really amazing stuff," including making successful solo attacks on cows and pigs. For decades after its discovery, though, the elusive fossa remained a scientific mystery. Even its place in the animal kingdom had to be pencilled in. The fossa looks something like a cat-dog hybrid, with its long tail, pointed snout and sharp claws; and DNA evidence linking it to the mongoose family was a long time coming.

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photo captions: 1. Luke Dollar in the field. 2. Fossa (Cryptoprocia ferox). 3. Black and White Ruffed Lemer (Varicea variegata variegata). 4. Madagascar capital city, Antananarivo -- rice paddies in the foreground.
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