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Smithsonian Tropical Research Institute

When STRI staff scientist Annette Aiello first arrived in Panama to study butterflies in 1976, she lived and worked at the Smithsonian research station on Barro Colorado Island. Credit: STRI Archives.

Females in Flatland

Lucia Torrez and Grace Davis identify fruit that monkeys on Barro Colorado Island in Panama have been eating. Do primate leaders know where the best fruiting trees are to be found? Credit: Sean Mattson, STRI

Here's the Scoop on Monkey Leadership

Because her research group knows a bird's age based on its song, a tropical soap opera unfolds as ornithology graduate student Laura Gómez records interactions between antshrikes in Panama.

How to Tell a Bird's Age By Its Song

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