Frog and Toad Life Cycles of Lyon County, Kansas

By Greg and Lynnette Sievert



Click on a name to jump to pictures of that species :

Blanchard's Cricket Frog

American Toad

Woodhouse's Toad

Great Plains Narrowmouth Toad

Cope's Gray Treefrog

Boreal Chorus Frog

Click on this link to see Boreal Chorus Frog Embryo Development

Northern Crawfish Frog

Plains Leopard Frog

Click on this link to see Plains Leopard Frog Embryo Development

American Bullfrog

Southern Leopard Frog





Blanchard's Cricket Frog - Acris crepitans blanchardi



Click the right arrow to listen to Blanchard's Cricket Frogs calling

<A HREF='cricket.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Cricket Frog tadpole


The black tail tip is typical for Blanchard's Cricket Frog tadpoles from Lyon Co. but it may be absent on some individuals.




Cricket Frog Adult


Both of these are typical color patterns for Lyon Co. specimens. They can also be a plain olive color. Notice the triangle on the top of the head.





American Toad - Bufo americanus



Click the right arrow to listen to American Toads calling

<A HREF='atoad.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


The eggs are layed in strands rather than clumps.


American Toad tadpole


Newly metamorphosed American Toad


Adult American Toads, notice the underside is spotted.





Woodhouse's Toad - Bufo woodhousii



Click the right arrow to listen to Woodhouse's Toads calling

<A HREF='wtoad.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Woodhouse's Toad tadpole


Adult Woodhouse's Toads, notice the belly is unspotted and often there is a dark spot in the throat area.





Great Plains Narrow-mouthed Toad - Gastrophryne olivacea



Click the right arrow to listen to Great Plains Narrow-mouthed Toads calling

<A HREF='ntoad.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Great Plains Narrowmouth Toad tadpole


Tadpoles of this species are the only ones in Lyon Co. to lack the dark keratinized mouthparts.


Adult Great Plains Narrow-mouthed Toad.

In more southern parts of its range this little frog often lives in the burrows of large spiders.





Cope's Gray Treefrog - Hyla chrysoscelis



Click the right arrow to listen to Cope's Gray Treefrogs calling

<A HREF='tree.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Cope's Gray Treefrog tadpole


Close up of Cope's Gray Treefrog tadpole mouth with keratinized mouthparts


Cope's Gray Treefrog adults can change color from gray to green.





Boreal Chorus Frog - Pseudacris maculata


Click on this link to see Boreal Chorus Frog Embryo Development



Click the right arrow to listen to Boreal Chorus Frogs calling

<A HREF='chorus.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Boreal Chorus Frog embryos hatching


Boreal Chorus Frog tadpoles


Boreal Chorus Frog tadpole


Close up of Boreal Chorus Frog tadpole mouth with keratinized mouthparts


Newly metamorphosed Boreal Chorus Frog


Two typical color patterns for Boreal Chorus Frog adults





Northern Crawfish Frog - Rana areolata circulosa



Click the right arrow to listen to Northern Crawfish Frogs calling

<A HREF='cfrog.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Northern Crawfish Frog tadpole.



Adult Northern Crawfish Frog. Notice the white circles on the back.


Adult Northern Crawfish Frog.





Plains Leopard Frog - Rana blairi


Click on this link to see Plains Leopard Frog Embryo Development


Click the right arrow to listen to Plains Leopard Frogs calling

<A HREF='plfrog.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Plains Leopard Frog egg mass


Plains Leopard Frog tadpole


Close up of Plains Leopard Frog tadpole mouth with keratinized mouthparts


Adult Plains Leopard Frog. Notice the spot on the snout.





American Bullfrog - Rana catesbeiana



Click the right arrow to listen to American Bullfrogs calling

<A HREF='bfrog.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


American Bullfrog tadpole


Head of American Bullfrog tadpole


American Bullfrog tadpole


American Bullfrog tadpole


Close up of American Bullfrog tadpole mouth with keratinized mouthparts


Large adult male American Bullfrog


Young adult and older adult American Bullfrog





Southern Leopard Frog - Rana sphenocephala utricularia



Click the right arrow to listen to Southern Leopard Frogs calling

<A HREF='slfrog.mp3'>[Play Call]</A>
Audio recording © by Greg Sievert


Southern Leopard Frog tadpole


Southern Leopard Frog tadpole with four legs, reduced tail, and appearance of adult color pattern


Newly metamorphosed Southern Leopard Frog


Adult Southern Leopard Frog. Notice there is usually no spot on the snout.




Graduate study in Herpetology at Emporia State University



Last updated on 22 January 2014

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