Pesticide Turns Male Frogs into FemalesCredit: Tyrone B. Hayes, the University of California, Berkeley.The pesticide atrazine can turn male frogs into females that are able to mate and successfully reproduce. Here, two male frogs mating. The larger animal on the bottom has been completely feminized by atrazine exposure and can produce viable eggs.
In Deadly Frog and Bat Plagues, Eerie SimilaritiesCredit: A. CrawfordPanamanian marsupial frog, Hemiphractus fasciatus, getting "swabbed", or tested, for the presence of the microscopic fungal pathogen, Batrachochytrium dendrobatis, which is sweeping through Central America, decimating entire amphibian communities.
6 'Lost' Frogs Rediscovered in Haiti's ForestsCredit: nullMacaya Breast-spot Frog, Eleutherodactylus thorectes, a Critically Endangered species in the Massif de la Hotte, Haiti. © Robin Moore/iLCP
Some Frogs Pee Out Junk From Their BodiesCredit: Chris Tracy.The Australian green tree frog (Litoria caerulea). It can apparently pee out surgical implants, shunting devices embedded in its their bladder, researchers find.
Bizarre Frog Has No LungsCredit: David BickfordThe first lungless frog has been discovered lurking in the jungles of Borneo.
Tree Frogs Use Geometry to Hang OnCredit: Julia PlatterCaption: Tree frog
Awkward Primitive Frog Can Jump But Landing Is Belly FlopCredit: Richard Essner.The primitive frog Ascaphus montanus can jump fine, but rather than a graceful landing this amphibian does a belly flop.
Frog Shakes Its Booty to Deter Other MalesCredit: M.S. Caldwell.Truly arboreal frogs, red-eyed treefrogs spend most of their time in trees, with their limbs made for walking and their "hands" and "feet" adapted for grasping branches.
Frog Shakes Its Booty to Deter Other MalesCredit: M.S. Caldwell.Truly arboreal frogs, red-eyed treefrogs spend most of their time in trees, with their limbs made for walking and their "hands" and "feet" adapted for grasping branches.
