ESTERO, Fla. – A massive rattlesnake that was trying to slither across a busy Florida road got some help from a wildlife enthusiast who made sure it got to the other side safely. Cory Ball, of Bonita Springs, spotted the 4- to 5-foot eastern diamondback rattlesnake outside WildBlue, a housing development recently built in Estero. Eastern diamondback rattlesnake are venomous and can be lethal to humans. The eastern diamondback rattlesnake was able to safely cross a busy construction road in Estero with a little help. The 35-year-old said he’s come across a snake or two in his day but this is the biggest rattlesnake he’s ever seen in the wild.