Amphibians have permeable skin, meaning they can absorb oxygen through their skin. However, it also means that chemicals and other harmful things from the environment can also be absorbed.

Learn more about permeable and impermeable skin with this science experiment led by environmental education coordinator Bryanna Kuhlman.

See more lessons and animal videos here.

FREE frog mask template

Did you know tree frogs’ last bone in their toes is shaped like a claw? Have you read about how about frogs’ bodies freeze during the winter and thaw in the spring? Do you know what a group of frogs is called? Click here to find out. Frogs are really interesting creatures, and many people…

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Fast frog facts

The Dickinson County Nature Center frog ambassadors are always a hit with kids when they come out during programs. That is often because they make the programs more exciting when they escape from the grasp of the naturalist with their squirmy, slippery bodies. But visitors also love to see their long legs, ability to jump…

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Tiger salamander fun facts

Sy the tiger salamander is huge. The Dickinson County Nature Center has two tiger salamander animal ambassadors, named Manny and Sy, and they are members of the largest land salamander species in North America. Tiger salamanders usually grow 7-13 inches long, but Sy is around 14 inches in length from head to tail. That’s one…

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Make a toad hand puppet

Since we talked today about five facts that will make you love toads (read the blog post here), we decided to make a toad-themed craft. If you look up toad crafts, there are not a lot out there! Like we mentioned in the blog post, toads tend to get overlooked in favor of their more…

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Five facts that will make you like toads

Because frogs are brightly colored, they tend to be looked on with more awe than toads. However, American toads have some pretty neat attributes when you get to know them. They taste bad. American toads are covered in red and yellow wart-looking spots that actually contain glands that secrete poison. Don’t worry, it won’t hurt…

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Why prairie skinks lose their tails

Prairie skinks (Plestiodon septentrionalis) are common in Iowa, but you may never have seen one before. They are so tiny, that they blend in extremely well with their prairie surroundings. Prairie skinks range from 5-8 inches in length typically. Some skinks are is a little smaller than a typical prairie skink because they only havea…

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Frogs are the real living dead

The title “living dead” is very Halloween-appropriate. And that’s exactly what northern leopard frogs are in the wintertime. Northern leopard frogs are native to northwest Iowa and are aquatic creatures, meaning they live in the water. Like American bullfrogs, which are not native to northern Iowa, northern leopard frogs will hibernate underwater. (See a video…

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2 Comments

  1. Mikki Anderson on April 21, 2020 at 9:19 am

    I just used this as a part of a science lesson for our kids (distance learning in Minnesota).
    Thank you for the concise, easy-to-understand information and demonstration!

    We will be searching your site for some Earth Day information and lessons for tomorrow.

    Thanks again!
    Mikki



    • kiley on April 21, 2020 at 11:10 am

      We’re so glad it was helpful for you!