Frog Sex in the City (VIDEO) Smithsonian Tropical Research Institute This video is under embargo. Please login to access this video. To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Caption Tungara frogs live at the edges of tropical forests from Mexico to northern South America. As cities grow, they often end up in drains in urban areas. This report in Nature Ecology & Evolution shows that their mating habits change when they live in urban environments. Credit Smithsonian Tropical Research Institute and Wouter Halfwerk Usage Restrictions Embargoed until Mon, 10 December, 2018, 11am. Credit: Smithsonian Tropical Research Institute and Wouter Halfwerk License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.