Cookie Policy Give a Gift. There are approximately 4,800 species of frogs around the entire world.. Frogs live on every continent except Antarctica.. Frogs typically live in forested and wetland areas. 3 ) A frog completely sheds its skin about once a week. The teeth are used to hold prey in place until the frog can swallow it. Terms of Use 10 ) The waxy monkey frog secretes a wax from its neck and uses its legs to rub that wax all over its body. 11 ) Most frogs have teeth, although usually only on their upper jaw. 9 ) There is a frog in Indonesia that has no lungs – it breathes entirely through its skin. He then proceeds to cough up tiny, fully formed frogs. Frogs are the most familiar group of amphibians. After 12 to 20 weeks, fully formed young toads emerge by pushing out through the membrane covering the toad’s back. Laura Klappenbach, M.S., is a science writer specializing in ecology, biology, and wildlife. He keeps the tiny amphibians in his vocal sac for about 60 days to allow them to grow. 4 ) When Darwin’s frog tadpoles hatch, a male frog swallows the tadpoles. 14 Fun Facts About Frogs #4: When Darwin’s frog tadpoles hatch, a male frog swallows the tadpoles The Glass Frog (Centrolenella colymbiphyllum) has skin so … The water in the frog’s cells freezes and is replaced with glucose and urea to keep cells from collapsing. They are known for their jumping abilities, croaking sounds, bulging eyes and slimy skin.. 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When temperatures fall, the wood frog’s body begins to shut down, and its breathing, heartbeat and muscle movements stop. 8 ) The glass frog has translucent skin, so you can see its internal organs, bones and muscles through its skin. Her skin swells around the eggs until they become embedded in a honeycomb-like structure. Vote Now! After it pulls off the old, dead skin, the frog usually eats it. When I started working on this frog blog post (inspired by the adorable yet deadly poison dart frogs at the National Zoo), my knowledge of frogs was limited to Mr. Toad from The Wind in the Willows and Kermit. Frogs belong to a group of animals called amphibians.. 10 Facts About Frogs . Newts and salamanders (Order Caudata), Caecilians (Order Gymnopiona), and frogs and toads (Order Anura). It is also sometimes called the strawberry dart frog. They have worldwide distribution with the exception of the polar regions, some oceanic islands, and the driest of deserts. You can even observe its heart beating and its stomach digesting food. or Continue 5 ) When a frog swallows its prey, it blinks, which pushes its eyeballs down on top of the mouth to help push the food down its throat. 13 )  There’s a type of poison dart frog called the blue-jeans frog; it has a red body with blue legs. Get the best of Smithsonian magazine by email. Advertising Notice The wax prevents the skin of the frog from drying out in sunlight. Privacy Statement Keep up-to-date on: © 2020 Smithsonian Magazine. Frogs don’t need to drink water as they absorb it through their skin. 12 )  The biggest frog in the world is the Goliath frog. ThoughtCo uses cookies to provide you with a great user experience and for our, How the Sixth Mass Extinction Affects the U.S. Economy, 10 Extinct or Nearly Extinct Amphibians to Know More About, Reptile or Amphibian? 6 ) The wood frog of North America actually freezes in the winter and is reanimated in the spring. 14 )  The red-eyed tree frog lays it eggs on the underside of leaves that hang over water. California Do Not Sell My Info 2 ) The female Surinam toad lays up to 100 eggs, which are then distributed over her back. 7 ) A group of birds is called a flock, a group of cattle is called a herd, but a group of frogs is called an army. Frogs belong to the Order Anura, the largest of the three groups of amphibians. When the eggs hatch, the tadpoles fall into the water below. An Identification Key, M.S., Applied Ecology, Indiana University Bloomington, B.S., Biology and Chemistry, University of Illinois at Urbana-Champaign. 17th Annual Photo Contest Finalists Announced. Obviously, I had a lot to learn. Some frogs can jump over 20 times their own body length; that is like a … Smithsonian Institution, (Carl C. Hansen, Smithsonian Institution). Amazing Facts About the Frog. I have since discovered many amazing, surprising, disgusting and flat-out weird facts about frogs, and have collected the 14 best to share here with you: 1 ) One gram of the toxin produced by the skin of the golden poison dart frog could kill 100,000 people. A frog’s call is unique to its species, and some frog calls can be heard up to a mile away. It lives in West Africa and can measure more than a foot in length and weigh more than 7 pounds – as much as a newborn baby. When there’s a thaw, the frog’s warms up, its body functions resume and it hops off like nothing ever happened. Frogs and toads, also referred to as anurans, represent the largest of the three amphibian groups.