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Amphibians - Mink Frogs 

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Mink Frog

A Mink Frog [Lithobates septentrionalis Rana septentrionalis] varies in colour from green to brown often having both colours.  While this frog is often mistaken for a Green Frog, the Mink Frog has smaller dorsolateral folds if any at all.  This species has large tympani and slightly upturned eyes.  There is no banding on the legs and the webbing on the hind foot is more developed.  The webbing on the back feet reaches the last joint of the longest toe.  The Mink Frog releases a foul smell similar to rotting onions when handled.

If you are not sure what kind of frog you have found, have a sniff, Mink frog's have a pungent, musky odour, like that of a mink.

Similar species - The Mink Frog and the Green Frog are almost identical in appearance.  Both come in a variety of colours.  A Green Frog will have a white belly with darker lines or spots and sometimes a yellowish tinge.  There will be dark banding on the hind limbs of a Green Frog.

 

Mink Frog Clip Art
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mink frog beside beach in plants

Mink Frog - 1

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Amphibian 
Fun Facts

 

- Amphibians are divided into three groups:  Newts & Salamanders; Frogs & Toads; and Caecilians.

 

 

- Caecilians are amphibians that don't have arms or legs.  They look like snakes or worms.

- There are 5,000 - 6,000 amphibians species known today.

 

 

- The term "amphibian" means "two-lives" - one in the water and one on land.

 

 

 

 

- More than 75% of all toad and frog species in the world live in tropical rainforests.

 

 

- Toads have dry, bumpy skin while frogs have smooth, clammy skin.

 

 

- The life cycle of an amphibians involves three stages:  egg, larva and adult.

 

 

 



- Frogs breath with their lungs AND through their skin.



 

- Frogs can see forwards, sideways and upwards - all at the same time!

 

 

- According to the IUCN (International Union for Conservation of Nature), nearly one-third of all amphibians are known to be threatened or extinct!

 

 

 

 

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