What is the most common snake in New York?

• A. Copperhead
• B. Rat snake
• C. Garter snake
• D. Water moccasin

Answer: (C)

The main idea here is how widely a species occurs and how often people encounter it across the state. In New York, the Eastern garter snake is the most widespread and commonly observed species. They inhabit a huge range of habitats—meadows, fields, woods, wetlands, and even yards and gardens—and they tolerate human activity well. This broad distribution and high population density mean they show up more often in sightings, rescues, and everyday encounters than other snakes.

Copperheads are venomous and have a more limited, patchy distribution in certain parts of the state, typically favoring rocky, deciduous forests. Water moccasins aren’t native to New York at all, so they aren’t a common presence there. Rat snakes are indeed common in many rural or barn environments, but they don’t occur as ubiquitously as garter snakes across the diverse NY habitats. So the garter snake ends up being the most common snake you’re likely to encounter in New York.