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16th Annual Smithsonian Magazine Photo Contest Natural World
Rosenberg's Gladiator Tree Frog

The gladiator tree frog is so named for the fights that can occur between males over suitable nests for mating. Females only mate with males who have secured a nest, and males will sometimes fight to the death when one attempts to steal a nest from another. They are armed with a bony spine on their hands, which males will use as a weapon during these battles.

Photo Detail
Date Taken: 04.2017
Date Uploaded: 09.2018
Photo Location: Carate, Costa Rica
Copyright: © Ben Blankenship