FRACTS #9 – Frogs = Toads?? No!

Frogs cannot be called toads, BUT toads can be called frogs! Did you know that?? This is because the word ‘frog’ is a generic term for the whole family, and a ‘toad’ is classified under the frog family. There are actually many differences between a frog and a toad! Look at the picture comparison of a toad and a baby frog below, and see how many differences you can spot!

Top: Frog Bottom: Toad See the difference between them? Look at their hind legs and skin texture.
Top: Baby frog
Bottom: Toad
See the difference between them? Look at their hind legs and skin texture.

These are the differences between a toad and a frog! Did you manage to spot all their physical differences?
Frogs

  • Have wet, smooth skin that looks slimy because of the moist environment that it lives in; it doesn’t need to face harsh land conditions.
  • Need to live near/in water for survival
  • Have a narrow body which allows for faster movement, and eyes that bulge
  • Have long webbed hind legs for swimming and high jumping
  • Lay eggs in cluster

Toads

  • Have dry, rough and warty skin because of harsh conditions on land
  • Don’t have to live near water to survive
  • Have a wide and fat body
  • Have short, stout unwebbed hind legs because they walk instead of jumping and have no need to swim since they live on land.
  • Lay eggs in strings

Frogs that are really frogs are also known as “true frogs”, and likewise, toads that are really toads are also known as “true toads”.

Hope I have enlightened all of you a little about the differences between true frogs and true toads!

Signing off,
Froglette

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Reference

http://wonderopolis.org/wonder/are-frogs-and-toads-the-same/

http://www.bbc.co.uk/nature/life/True_toad

http://www.bbc.co.uk/nature/life/True_frog

Fracts # 7- FROGS ARE LIVING DEAD?!?!

Why do we say that frogs are living dead? Taking the American Bullfrogs (Rana catesbeiana) as an example, they will hibernate/estivate but they will not spend the winter the way aquatic turtles do, digging into the mud at the bottom of a pond or stream. In fact, hibernating frogs would suffocate if they dug into the mud for long period of time. These hibernacula are not as well protected from frigid weather and may freeze, along with their inhabitants.

But frogs do not die! Because they can Antifreeze! Ice crystals form in such places as the body cavity and bladder and under the skin, but a high concentration of glucose in the frog’s vital organs prevents freezing.

frog in winter

A partially frozen frog will stop breathing, and its heart will stop beating. It will appear quite dead. But when the hibernaculum warms up above freezing, the frog’s frozen portions will thaw, and its heart and lungs resume activity. That is why the frogs are being called living dead.

 

Similarly, frogs also undergo estivation aka Aestivation which is a state of animal dormancy, also when animal is inactive and have a lowered metabolic rate, that is entered in response to high temperatures and arid conditions. For example, the prolonged dry season in certain tropical regions.

 

stay tuned for Fracts #8!
FROGIRL signing off ~

Disclaimer: All pictures copyright to their respective owner(s). jurongfrogfarm.com.sg does not claim ownership of any of the pictures displayed on this site unless stated otherwise. jurongfrogfarm.com.sg does not knowingly intend or attempt to offend or violate any copyright or intellectual property rights of any entity. Some images used on jurongfrogfarm.com.sg are taken from the web and believed to be in the public domain. The pictures are provided for educational purposes only.

If any images posted here are in violation of copyright law, please contact us (events@jurongfrogfarm.com.sg) and we will gladly remove the offending images immediately upon receipt of valid proof of copyright infringement.

Sources:
http://www.scientificamerican.com/article/how-do-frogs-survive-wint/

http://en.wikipedia.org/wiki/Aestivation