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Male Black Spiny-tailed Iguana (Ctenosaura similis)

Posted on Jan 18, 2017

Birds are not the only creatures that RTPI Affiliate Sean Graesser was wrangling during his research trip to Costa Rica. With some help from Addison Keilty, here is a photo of a dinosaur – er, rather, a monster male Black Spiny-tailed Iguana (Ctenosaura similis).