Latest Projects
The Common Mudpuppy (Necturus maculosus) is a large salamander that grows to over 19 inches (>48 cm) in length. Mudpuppies are paedomorphic, meaning that individuals become reproductively mature while maintaining…
Read More
The Bog Turtle (Glyptemys muhlenbergii) is North America’s smallest turtle (and one of the smallest globally). Unfortunately, the Bog Turtle is facing extinction and is listed as a federally-threatened species…
Read More
The Eastern Massasauga (Sistrurus catenatus catenatus) is a small rattlesnake, typically measuring less than 30 in (760 mm) adult size (maximum length 39.5 in or 1003 mm). While this species…
Read More
The Pennsylvania Amphibian and Reptile Survey (PARS) is an important state-sponsored atlas project launching in 2013. PARS will determine the distribution and status of all amphibians and reptiles throughout Pennsylvania, building upon previous atlas efforts…
Read MoreLatest News
Herpin’ in the Watershed: An Interview with Jason Poston
Mountain Watershed Association interview with MACHAC staff member Jason Poston. “This summer was a dry one. On the rare rainy day, I would see a few toads out and about,…
Latest Publications
Cope’s Gray Treefrog: Pennsylvania State Record
Herpetological Review 50(1), 2019 GEOGRAPHIC DISTRIBUTION 97 HYLA CHRYSOSCELIS (Cope’s Gray Treefrog). USA: PENNSYLVANIA: Washington Co.: ca. 3 km S of West Alexander, near Old Brick Road. 21 June 2013.…
Read moreThe Mediterranean Gecko (Hemidactylus turcicus) in Pennsylvania, USA
Herpetological Review 50(3), 2019 GEOGRAPHIC DISTRIBUTION 537. Herein, we report the first documentation of reproducing Mediterranean Gecko (Hemidactylus turcicus) colonies in Penn-sylvania and, to date, the northernmost confirmed locations in…
Read more