Wood Frog Lithobates sylvaticus (LeConte, 1825)  
Kingdom Animalia   >   Phylum Chordata   >   Class Amphibia   >   Order Anura   >   Family Ranidae   >   Genus Lithobates   

Status:

Wood Frog (Lithobates sylvaticus) is a fairly small brown frog which breeds in late winter or early spring, usually in wooded vernal pools or seasonal wetlands. At these times, it can occur at breeding sites in enormous numbers, and the choruses can be quite loud. The call sounds a bit like a coughing sort of quack. At other times of the year, the adults of this species may be found in mesic woodlands, often far from breeding sites. This frog ranges farther north than any other herp in North America (Conant & Collins, 1998). It is famous for its ability to survive freezing of most of the body's tissues in winter, a trait which contributes to its extensive northern range. In Maryland, this frog is distributed statewide but more localized on the coastal plain.

Description:

A variable, reddish-brown or brown frog with a dark brown mask.

There are 340 records in the project database.

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Wood Frogs calling in lower Dorchester County (2/22/2018). - Jim Brighton.

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A Wood Frog in the leaf litter beside a pool in the Catoctin Mountains, Frederick Co., Maryland (9/14/2008). Photo by Bill Hubick. (MBP list)

A Wood Frog in the leaf litter beside a pool in the Catoctin Mountains, Frederick Co., Maryland (9/14/2008). Photo by Bill Hubick. (MBP list)

A Wood Frog in Baltimore Co., Maryland (3/21/2014). Photo by Frode Jacobsen. (MBP list)

A Wood Frog in Howard Co., Maryland (2/21/2018). Photo by Bonnie Ott. (MBP list)

A Wood Frog in Howard Co., Maryland (3/16/2015). Photo by Bonnie Ott. (MBP list)

A Wood Frog in Anne Arundel Co., Maryland (8/3/2013). Photo by Robert Aguilar, SERC. (MBP list)

A Wood Frog in Howard Co., Maryland (2/21/2018). Photo by Bob Cammarata. (MBP list)

A Wood Frog in Harford Co., Maryland (3/22/2014). Photo by Bill Keim. (MBP list)

A Wood Frog at Jemicy School in Baltimore Co., Maryland (4/2013). Photo by Emily Stanley. (MBP list)

Wood Frog in Baltimore Co., Maryland (3/1/2017). Photo by Keith Eric Costley. (MBP list)

Wood Frog eggs in Howard Co., Maryland (3/29/2014). Photo by Bonnie Ott. (MBP list)

Wood Frogs and Spring Peepers in Howard Co., Maryland (2/21/2018). Photo by Bonnie Ott. (MBP list)

Wood Frog eggs in Howard Co., Maryland (3/11/2013). Photo by Bonnie Ott. (MBP list)

Wood Frog eggs in Howard Co., Maryland (4/1/2015). Photo by Sue Muller. (MBP list)

Wood Frog eggs in Howard Co., Maryland (3/5/2016). Photo by Bonnie Ott. (MBP list)

Wood Frog tadpoles at Glenelg Country School, Howard County, Maryland (4/4/2015). Notes from Richard Orr: "Each year I collect Wood Frog eggs for my wife's pre-K (3-4 year olds) class to rear. I always collect from an egg mass that has become stranded from the receding water-line and thus would not survive. They are always a big success in the class room. When the tadpoles develop into tiny frogs they are released back into the pond. These tadpoles have left the egg mass less than 24 hours ago. They are feeding on a specially prepared lettuce leaf. Glenelg Country School, Howard County, Maryland." Photo by Richard Orr. (MBP list)


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