City mouse and country mouse aren’t just characters from stories—cities are unique ecosystems built by humans, and animals adapt when they move into urban areas. Researchers recently compared the ...

Why do predators and parasites eavesdropping on mating signals of their prey preferentially attack individuals producing certain types of call? Predators could use information encoded in calls to ...

Why do predators and parasites eavesdropping on mating signals of their prey preferentially attack individuals producing certain types of call? Predators could use information encoded in calls to ...

Male tropical túngara frogs have evolved masses on their vocal cords that help them woo females with complex calls, show scientists working at the Smithsonian Tropical Research Institute (STRI) in ...

Scientists found six sex chromosomes in the Odorrana swinhoana frog species endemic in Taiwan, giving new insights into how complex XY systems evolve. The finding suggested that translocation -- a ...

David M. Green, Timothy F. Sharbel, Jennifer Kearsley and Hinrich Kaiser The western North American complex of spotted frogs (Rana pretiosa) exhibits isolation-by-distance, genetic subdivision, and ...

Sometimes things are not as they seem in the animal kingdom. While there are many species that employ a method of mimicry to give them the appearance of another species – usually a harmless creature ...

The O. swinhoana frog species is the first vertebrate known to retain descendant genes that now determine sex in mammals, birds, and fishes inherited from a common ancestor. Scientists found six sex ...