13-09-03 Gardiner's frogs from the Seychelles islands, one of the smallest frogs in the world, do not possess a middle ear with an eardrum(鼓膜,耳膜) yet can croak(呱呱地叫) themselves, and hear other frogs. An international team of scientists using X-r...
13-08-19 From frogs to humans, selecting a mate is complicated. Females of many species judge suitors based on many indicators of health or parenting potential. But it can be difficult for males to produce multiple signals that demonstrate these qualities si...
13-06-05 The first amphibian(两栖动物) to have been officially declared extinct by the International Union for Conservation of Nature (IUCN) has been rediscovered in the north of Israel after some 60 years and turns out to be a unique living fossil, withou...
12-10-26 Most of the more than 6,000 species of frogs in the world lay their eggs in water. But many tropical frogs lay their eggs out of water. This behavior protects the eggs from aquatic(水生的) predators, such as fish and tadpoles(蝌蚪) , but also in...
12-04-26 The fungal infection that has killed a record number of amphibians worldwide leads to deadly dehydration(脱水) in frogs in the wild, according to a new study by University of California, Berkeley and San Francisco State University researchers. Hig...
11-12-29 When it comes to love songs, female tree frogs are pretty picky(挑剔的) . According to a new study from the University of Missouri, certain female tree frogs may be remarkably attuned to the songs of mates who share the same number of chromosomes...
11-12-13 Field work by researcher Fred Kraus from Bishop Museum, Honolulu has found the world's smallest frogs in southeastern New Guinea. This also makes them the world's smallest tetrapods(四足动物) (non-fish vertebrates). The frogs belong to the genus P...
11-10-03 Research published in the October issue of The American Naturalist shows that Australian green tree frogs survive the dry season with the help of the same phenomenon that fogs up eyeglasses in the winter. According to researchers from Charles Darwin...
10-11-17 A search for frogs believed to be extinct has instead led scientists to discover some new ones. 科学家们在搜寻可能已经灭绝的青蛙的时候意外发现一些新品种。 Life without larvae: this tiny toad apparently needs no tadpole stage Three species hitherto(...
10-07-22 Sometimes divers, to their own painful dismay(沮丧,灰心) , do belly flops(胸腹先着水的跳水动作) . But did you ever see a frog belly flop? That's just what primitive(原始的,远古的) living frogs do, according to a new study by Dr. Richard Essn...