Joined: Dec 11, 2017 Last Active: Dec 03, 2021 iNaturalist

Geoff is a tropical biologist whose scientific research interests lie in the ecology and evolution of butterflies. In particular, he is interested in the clearwing butterflies (Nymphalidae: Ithomiini), a group whose biology is fascinating, and which serves as a model for diverse studies in ecology and evolution in the tropics. He is also active in applied conservation research, and is the founder and President of the Alliance for a Sustainable Amazon (, which is dedicated to research and conservation in Peru's Madre de Dios department, in the southwestern Amazon.

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