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Image Gallery: The Social Lives of Rattlesnakes

Basking in the Sun

Coiled Timber Rattlesnake, Crotalus horridus

(Image credit: Matt Jeppson | Shutterstock)

Timber rattlesnakes (Crotalus horridus) living in the northeastern United States dwell in communal dens in the winter, before emerging in the spring to bask in the sun for several days at rock outcrops. They then migrate to surrounding areas to forage and mate. [Read full story]

Expectant Snakes

Pregnant female timber rattlesnakes cluster together at birthing rookeries in New York state.

(Image credit: Rulin Clark.)

Pregnant female timber rattlesnakes cluster together at birthing rookeries in New York state.

Snakes Embrace

Females in the rookeries often cluster together in groups of six or more, as do snakes at basking sites.

(Image credit: Rulin Clark.)

Females in the rookeries often cluster together in groups of six or more, as do snakes at basking sites.

Happy Snake Family

Pregnant female timber rattlesnakes cluster together at birthing rookeries in New York state.

(Image credit: Matthew Simon)

Researchers have discovered juvenile snakes and pregnant females preferentially clustered with kin, suggesting these seemingly "loner" snakes may actually have social lives.

Baby Rattles

Pregnant female timber rattlesnakes cluster together at birthing rookeries in New York state.

(Image credit: Matthew Simon)

The researchers also found that once born, the juveniles from the same litter stuck together.

Snake Science

Pregnant female timber rattlesnakes cluster together at birthing rookeries in New York state.

(Image credit: Matthew Simon)

The team hopes to learn more about the social lives of timber rattlesnakes and other snakes, they said. [Read full story]