Guangdong has a number of pit vipers, including the huge and deadly Chinese vipers and bamboo vipers, as well as nonpoisonous pythons, which can grow up to 20 feet (6 metres) long.
Puerto Rico has more than 200 species of birds, but land animals are mostly confined to nonpoisonous snakes, lizards, mongooses, and the coquí (Eleutherodactylis portoricensis), a frog whose name is onomatopoeic with its call ("co-kee!") and which has become a kind of national mascot.
The fringe-lipped bat can discriminate poisonous from nonpoisonous frogs by their species-specific calls.
Snakes include poisonous rattlesnakes, water moccasins, copperheads, and coral snakes, as well as some nonpoisonous types, such as black snakes.
He supposedly wrote down much of this information in the Shennong bencaojing (Divine Husbandsman's Classic of Medicine), where he categorized the medicines as superior (nonpoisonous and rejuvenating), medium (having some toxicity based on the dosage and exerting tonic effects), or inferior (poisonous but able quickly to reduce fever and cure indigestion).
It grows to about 2.5 m (8 feet) and has divided leaves and clusters of white flowers resembling those of some nonpoisonous plants in the family.
Animal life is dominated by frogs, lizards, and snakes, all of them nonpoisonous, and several species of bats are found in caves along the more rocky coasts.
One such case involves the South American coral snakes (Micrurus), long recognized as dangerously poisonous which possess a brilliant red, black, and yellow ringed pattern and several genera of nonpoisonous and mildly poisonous "false coral snakes" with nearly identical colour patterns.
The work generally recognized as his masterpiece, Anaconda (1921), portrays on several levels realistic, philosophical, and symbolic the battles of the snakes in the tropical jungle, the nonpoisonous anaconda and the poisonous viper.
Horned toads, lizards, many varieties of nonpoisonous snakes, and rattlesnakes and water moccasins are native.
One nonpoisonous South American leptodactylid, Lithodytes lineatus, mimics the dendrobatid P. femoralis, thus gaining protection from predators.
