40 Freaky Frog Photos (Litoria caerulea)

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.

40 Freaky Frog Photos (lungless frog)

Bizarre Frog Has No LungsCredit: David BickfordThe first lungless frog has been discovered lurking in the jungles of Borneo.

40 Freaky Frog Photos (Tree frog)

Tree Frogs Use Geometry to Hang OnCredit: Julia PlatterCaption: Tree frog

40 Freaky Frog Photos (Ascaphus montanus)

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.

40 Freaky Frog Photos (red-eyed-treefrog)

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.

40 Freaky Frog Photos (red-eyed treefrog)

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.

40 Freaky Frog Photos (Rana compotrix)

Laos Home to Two New Frog SpeciesCredit: Nikolai OrlovThe Rana compotrix, one of two new frog species found in Lao PDR

40 Freaky Frog Photos (Dendropsophus ebraccatus)

Transitional Frog Lays Eggs on Water and LandCredit: Justin Touchon and Karen WarkentinMating yellow treefrogs (Dendropsophus ebraccatus) laying egg larvae in water. The egg masses can be at the water surface and under water.

40 Freaky Frog Photos (Dendrobates leucomelas)

Poison Dart FrogCredit: Cesar Barrio-AmorosDendrobates leucomelas, a poisonous frog from Venezuelan Guiana, eats a special diet of ants and mites, which contain compounds that help the frog make its toxic secretions.

40 Freaky Frog Photos (leaf frog)

Hybrid leaf frogCredit: © A. GrayThis frog is the offspring of two closely related species of endangered leaf frog