The timber rattlesnake is usually born in autumn, shortly after it comes from hibernation. The females give birth to babies from August to early October and they are matured within 4-5 years. It dwells in remote hillsides, canebrake thickets, marshy area and flood plains in the South.
The snake measured from 3-4.5 feet and is the largest poisonous snake in New York. Its length is about 74 ½ inches (189 cm). Timber rattlesnakes also comes across as being very solid and intimidating since they are so large. However, despite being large in size, their cryptic coloration allows them to become easily inconspicuous. There are two types of color patterns, which are normally found in timber rattlesnakes: a yellow phase, which has black or dark brown cross bands on a background color of yellow, brown or gray, and a black phase, which has dark cross bands on a dark background.
There are also some black or dark brown stippling present in variations, sometimes the individuals may appear entirely black. Their appearance is characterized by rough ridged scales. The snake has a very broad head with small scales flecked on the crown of the head.
It is extremely proactive from April to October. In the Northern Regions, the timber rattlesnakes are concentrated in large numbers. It can often be seen coiled up, waiting to prey on squirrels, small birds, mice and chipmunks.