Amphibians

 

Amphibians are cold blooded animals like reptiles, but amphibians are born in water.  They breathe by way of gills in their early part of life, and eventually use lungs to breathe later in life.

 

Not all amphibians can create sound, for example salamanders.  Amphibians that can create sound, frogs and toads, use the larynx and vocal chords to sing.  Amphibians can also create underwater sounds by modifying the larynx.  The bipennate muscles contract the arytenoids disks to create a clicking sound.

 

 

 

Orders of Amphibians:

                    Salamanders and Newts

                    Caecilians

                    Frogs and Toads

 

 

 

Salamanders and Newts

Dwarf Two-Lined Salamander native to South Carolina

 

 

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Caecilians

Sri-Lanka Caecilian are found in South and Southeast Asia

 

For more information on caecilians go to: A Brief Introduction to Caecilians

 
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Frogs and Toads

A high majority of frogs and toads create sound.  They have a good sense of hearing, but their ears are tuned to a small frequency rage.  Each kind of frog has a specialized frequency range in which they can hear sound.  This frequency range is correlated closely with the frequencies in which sound is produced.  One type of frog will not be able to hear another type of frog’s sounds, unless their frequency ranges overlap. 

Dendrobates auratus, a type of poison dart frog

Pachymedusa dacnicolor (Mexican Monkey Frog)

Sounds:

Blanchard's Cricket Frog

Bullfrog

Cope's Gray Tree frog

Gray Tree Frog

 

 

Green Frog

Mountain Chorus Frog

Northern Spring Peeper

Western Chorus Frog

 

       

 
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