Frogs have a short body, webbed digits (fingers or toes), protruding eyes and the absence of a tail. Frogs are widely known as exceptional jumpers, and many of the anatomical characteristics of frogs, particularly their long, powerful legs, are adaptations to improve jumping performance.
- Consisting of more than 5,000 species, frogs are among the most diverse groups of vertebrates.
- Frogs are commonly found in tropical rainforests.
- Oxygen can pass through Frogs’ highly permeable skin. Because of this reason frogs can breathe through their skin.
- The oxygen is dissolved in an aqueous film on the skin of frogs and passes from there to the blood, Because of this the skin have to be moist all the time. This is the reason why the frogs stay in humid or moist places.
- The first species of lungless frog was confirmed in 2008. They obtain all of its oxygen by direct absorption through its skin and hence has no need of lungs. This is Guinness Book World Record!
- Frogs have 3 eyelid membranes. Among one of these will protect the eyes in underwater and it is transparent!
- Usually Frogs do not have any teeth on their lower jaw, this is the reason most of the frogs swallows the food.
- The Australian rocket frog, Litoria nasuta, can leap over 50 times its body length (5.5 cm), resulting in jumps of over 2 meters.
- Alkaloid epibatidine a pain killer, which is found in some species of poison dart frogs, is 200 times more ptent than morphine.
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