Map Snapshot
154 Records
New Jersey Chorus Frog in Talbot Co., Maryland (3/11/2024). (c) Wayne Longbottom, some rights reserved (CC BY-NC). - Wayne Longbottom.
New Jersey Chorus Frog in Kent Co., Maryland (2/16/2023). (c) rborchelt, some rights reserved (CC BY-NC). - rborchelt via iNaturalist.
New Jersey Chorus Frog in Dorchester Co., Maryland (2/18/2023). (c) David Kidwell, some rights reserved (CC BY-NC-SA). - Dave Kidwell.
New Jersey Chorus Frog in Dorchester Co., Maryland (2/27/2022). (c) Sarah Kulis, some rights reserved (CC BY-NC). - Sarah Kulis via iNaturalist.
New Jersey Chorus Frog in Dorchester Co., Maryland (3/17/2023). (c) jugbayjs, some rights reserved (CC BY-NC). - jugbayjs via iNaturalist.
Status
New Jersey Chorus Frog (Pseudacris kalmi) is a tiny species of tree frog, closely related to the allopatric Upland Chorus Frog (Pseudacris feriarum), and formerly considered conspecific. New Jersey Chorus Frog is distributed along the coastal plain of Maryland, east of the Susquehanna River and Chesapeake Bay. This species has similar habitat requirements to its close relative, and may be found in shallow bodies of water, including flooded fields and ditches. The call is a harsh ascending, accelerating trill, like the sound of running a finger down the teeth of a comb (Conant & Collins, 1998; Maryland DNR site).
Description
A tiny brown treefrog, with three variable darker longitudinal stripes down the back. Basically identical to Upland Chorus Frog, and difficult to distinguish except by range. Longitudinal stripes may average slightly thicker on this species, and this species averages more robust.
Seasonality Snapshot
Source: Wikipedia
| New Jersey chorus frog | |
|---|---|
Scientific classification 
| |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Amphibia |
| Order: | Anura |
| Family: | Hylidae |
| Genus: | Pseudacris |
| Species: | P. kalmi
|
| Binomial name | |
| Pseudacris kalmi Harper, 1955
| |
| Synonyms | |
|
Pseudacris triseriata kalmi Harper, 1955 | |
Pseudacris kalmi, the New Jersey chorus frog, is a species of frog in the treefrog family Hylidae.[1][2] It is found in the states near New Jersey in the United States. It was first described as subspecies of Pseudacris triseriata but it is differentiated by range and size.[2][3] This frog's color ranges from grey to tan or greenish brown with a dark stripe on both sides of the body that extends from the snout, through their eyes, and to the groin.[4] It breeds in early spring from February to April. It broods in shallow bodies of water,[5][3] especially vernal pools, which dry up later in the season.[6]
The adult frog measures 19–36 mm in snout-vent length. It has one stripe that goes from over the mouth to under each eye and three thick stripes over its back from front to back. Sometimes the middle stripe is broken.[6]
In breeding seasons, the male frogs seek vernal pools. They sit in the water or on plants and sing for the females, who come to them. The female frog lays eggs on the stems of plants in shallow water. The eggs stick together in groups of 8 to 143. The tadpoles take about two months to become frogs.[6]
This frog's predators include water snakes, foxes, birds, raccoons, and such arthropods as crayfish and spiders.[6]
Scientists named this frog kalmi for Pehr Kalm, also called Peter Kalm, a Swedish traveler who wrote a book called Travels into North America in 1772. In that book, he discussed Niagara Falls, other natural features of the area, and the many frogs of New Jersey.[6]
References
[edit]- ^ a b IUCN SSC Amphibian Specialist Group (2022). "New Jersey Chorus Frog: Pseudacris kalmi". The IUCN Red List of Threatened Species. 3.1: e.T136134A119000677. doi:10.2305/IUCN.UK.2022-1.RLTS.T136134A119000677.en. 136134. Retrieved August 11, 2022.
- ^ a b Frost, Darrel R. (2016). "Pseudacris kalmi Harper, 1955". Amphibian Species of the World: an Online Reference. Version 6.0. American Museum of Natural History. Retrieved 30 May 2016.
- ^ a b Conant, Roger and, Collins, John T., 1998, Peterson Field Guide: Reptiles and Amphibians, Eastern/Central North America, 616 pgs., Houghton Mifflin Company;, Boston
- ^ Curtis, Brandon; Hamilton, Bob; Becker, Don; Ruhe, Brandon (2016). "New Jersey Chorus Frog". PAHERPS. Retrieved 29 April 2019.
- ^ Mitchell, Joseph C. and Karen K. Reay, 1999, Atlas of Amphibians and Reptiles in Virginia, Num. 1, 122 pgs., Virginia Department of Game and Inland Fisheries, Richmond, VA
- ^ a b c d e Stephanie Menjivar (March 20, 2021). Ann T. Chang (ed.). "Pseudacris kalmi: New Jersey Chorus Frog". AmphibiaWeb. University of California, Berkeley. Retrieved August 11, 2022.
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