What poisonous live in bergen county n j?

In Bergen County, New Jersey, some poisonous species to be aware of include the Eastern Timber Rattlesnake, which is rare but can be found in the more wooded areas. Additionally, the Black Widow Spider, known for its venomous bite, may also be present. Poison Ivy, while not an animal, is common in the region and can cause severe skin irritation. It's important to exercise caution and be aware of these species when exploring natural areas.