Lizards that once dwelled in forests but now slink around urban areas have genetically morphed to survive life in the city, researchers have found.
The Puerto Rican crested anole, a brown lizard with a bright orange throat fan, has sprouted special scales to better cling to smooth surfaces like walls and windows and grown larger limbs to sprint across open areas, scientists say.
The study analyzed 96 Anolis cristatellus lizards, comparing the genetic makeup of forest-dwellers to those The changes in these lizards, whose lifespans are roughly 7 years, can occur very quickly, within 30 to 80 generations, enabling them to escape from predators and survive in urban areas, Winchell added. The larger limbs, for example, enable them to run more quickly across a hot parking lot, and the special scales to hold onto surfaces far more smooth than trees.The scientists chased after
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