City Frogs Are the Sexiest Frogs
Two new studies show how certain animals can adapt to the din of human activity in surprising ways.
For years, the Darién Gap, a narrow strip of pristine rain forest connecting Central and South America, was occupied by the Revolutionary Armed Forces of Colombia–People’s Army, or , making it far too dangerous for any scientist to visit. But in 2016, after negotiated a cease-fire with the Colombian government, the gap became far safer, and , an ecologist from Vrije University Amsterdam, wasted no time in visiting. He started looking for the túngara frog, a small, warty species that he had been studying in Panama for years. And to his surprise, he couldn’tany.
