Second Place -- Brandon Guell (IMAGE)
Caption
Brandon Güell, a Ph.D. student at Boston University, won second place. In this photograph, Güell observes, photographs, and collects behavioral data during an explosive breeding aggregation of gliding tree frogs, Agalychnis spurrelli, at a remote pond on the Osa Peninsula in Costa Rica. During explosive breeding aggregations of this species, tens of thousands of adults come to breed at large ponds and leave behind hundreds of thousands of eggs of which most die from desiccation, predation, and fungal infection.
Credit
Brandon Guell
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