Is crocodile proper noun

What is the shape of a crocodile head? Why do boa constrictors give birth to live young? What eats a gar? What is the river system in which Snake river are found? Is a sea turtle a consumer decomposer or a producer? Do turtles eat water lilies? What is the difference between the body movement of snails and snakes? Who put the snake in Hercules' crib? Does the black mamba hibernate? My red eared slider turtle isn't going to land? Is a satyr a harpy? Why do snakes have there tongues out when they are searching for pray? Why would boyfriend call you a snake? What is the antivenom for cone snail? What sea turtles eat and what eats it? Will feeding wild rodents to your snake hurt it? How long do lizards sit on eggs? What is a turtle's social behavior? Is a lizard a thermophile? How do other animals use turtles?