Frogs by State

Frogs and Toads of Michigan

Frogs and Toads of Michigan

Frogs

True Frog Family – Ranidae

Bullfrog

The American Bull Frog (Lithobates catesbianus) has no dorsal ridge on the side of their body and is larger at maturity than the Green Frog.

IMG_7969

Green Tree Frog (Lithobates clamitans) has a dorsal ridge down the side of its body which differs from the American Bullfrog.

mink_frog

Mink Frog (Lithobates septrentionalis) has a marbled look to it compared to the other frogs.

northernleopardfrog

Northern Leopard Frog (Lithobates pipiens) has regular circles around its body. It also has a complete dorsal ridge.

IMG_0277

Wood Frog (Lithobates sylvaticus is easy to tell apart from the other frogs in the state because of its racooon like mask around its eyes.

Tree Frog Family – Hylidae

244
Northern Cricket Frog (Acris crepitans)

The Northern Cricket Frog is the only cricket frog in the state. It does not have any distinct markings on its back.

GrayTreeFrog
Gray Tree Frog (Hyla veriscolor) and Copes Gray Tree Frog (Hyla chrysoscelis)

These two frogs are identical besides their calls and chromosome numbers. These tree frogs are also larger than the ones below. Also note that Gray Tree Frogs are not always gray and can be green. They also have a yellow to orange color on their back legs.

peeper

Spring Peeper (Pseudacris crucifer) is a tiny frog. It has a noticeable X on its back that makes it easy to identify.

midlandchorusfrog

Midland (Pseudacris triseriata) has 3 lines down its back usually which makes it easier to tell apart compared to the Spring Peeper and Cricket Frog.

Toads

True Toad Family – Bufonidae

12508828_947132985352077_5750679019733773362_n
American Toad (Anaxyrus americanus)
fowlerstoad
Fowler’s Toad (Anaxyrus fowleri)

Michigan has two species of true toads – the Fowler’s Toad and the American Toad. They look very much a like but there are some differences in the back of the head.

bufo-cranial

The American Toad’s parotid gland is separated from the craniel crest while the Fowler’s Toad’s touches.

 

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s