Many snakes will hiss when in a frightened or agitated state.
Yes and yes
Because they are mad
nocturnal snakes
Rat snakes and rattle snakes are not the same thing. Rat snakes are constrictors, and have little to no venom. Rattle snakes are venomous and have large quantities of venom. Rat snakes are commonly kept as pets, but rattlesnakes are not.
No, rattlesnakes and rat snakes cannot interbreed.
All Snakes Make A Quiet Hissing Sound.
hiss-tory
Snakes, including rat snakes, are reptiles.
hiss or bite them with venom
A slug
No. I just tried it. The rat snake ignored it.