• UMass Amherst
• Center for Agriculture
• UMass Extension

View Distribution Maps

The interactive maps below show an updated distribution based all records received to date, including sightings submitted via this site.

Select species to map: Select a species to map Blanding's turtle (28 sightings)Bog turtle (6 sightings)Common musk turtle (81 sightings)Common snapping turtle (248 sightings)Diamondback terrapin (11 sightings)Eastern box turtle (105 sightings)Northern red-bellied cooter (7 sightings)Painted turtle (406 sightings)Spotted turtle (160 sightings)Wood turtle (109 sightings)Black rat snake (10 sightings)Eastern garter snake (384 sightings)Eastern hognose snake (33 sightings)Eastern milk snake (192 sightings)Eastern ribbon snake (37 sightings)Eastern smooth green snake (48 sightings)Eastern worm snake (3 sightings)Northern black racer (93 sightings)Northern brown snake (80 sightings)Northern copperhead (2 sightings)Northern redbelly snake (67 sightings)Northern ringneck snake (156 sightings)Northern water snake (162 sightings)Timber rattlesnake (9 sightings)Four-toed salamander (39 sightings)Jefferson/Blue-spotted salamander (64 sightings)Marbled salamander (20 sightings)Mudpuppy (1 sighting)Northern dusky salamander (134 sightings)Northern spring salamander (38 sightings)Northern two-lined salamander (244 sightings)Red-backed salamander (512 sightings)Red-spotted newt (235 sightings)Spotted salamander (358 sightings)American toad (345 sightings)Bullfrog (357 sightings)Eastern spadefoot (16 sightings)Fowler's toad (68 sightings)Gray treefrog (156 sightings)Green frog (428 sightings)Northern leopard frog (32 sightings)Pickerel frog (297 sightings)Spring peeper (507 sightings)Wood frog (382 sightings)

Sightings Block-resolution Confirmed Unconfirmed but reliable Quad-resolution Confirmed Unconfirmed but reliable  Zoom in      Zoom out      Reset map     Map & database programming by GISmatters