"Just as we change our social relationships in cities, animals are changing their relationships and their behavior in the radically altered biological communities we are creating across the globe," said Rachel Page, staff scientist at STRI and co-author.### Co-authors' affiliations are Gettysburg College, Purdue University, University of New York at Abu Dhabi and University of Texas and STRI. Reference: Halfwerk W, Blaas M, Kramer L, Hijner N, Trillo PA, Bernal XE, Page RA, Goutte S, Ryan MJ, Ellers J. Adaptive changes in sexual signaling in response to urbanization. are not responsible for the accuracy of news releases posted to Eurek Alert!“To their simple tun sound, they can add extra elements like the sound, gara, to make complex calls: tun gara gara—hence their name.
By 2050, almost 70 percent of the world’s population will live in urban environments, according to the United Nations.
But as cities spread, wild animals will also have to adapt.
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In Nature Ecology and Evolution, researchers working at the Smithsonian Tropical Research Institute (STRI) report that male tungara frogs in Panama City put on sexier mating displays than frogs living in nearby tropical forests.