Rodents
Small invertebrates, small mammals, birds, fish
Humans, habitat destruction, climate change
The ever-growing incisors that define them.
Sewellel (mountain beaver); groundpig, whistlepig (groundhog); chigüiro, fercho (capybara); street rat, sewer rat, wharf rat (brown rat); votsotsa (Malagasy giant rat); coypu (nutria); fat dormouse (edible dormouse); cavy (guinea pig); sand puppy (naked mole-rat).
Every type of habitat but Antarctica
Rats, mice, porcupines, guinea pigs, capybaras, hamsters, gerbils, squirrels, etc.
Worldwide
Six months (Muller’s Giant Sunda Rat) to 32 years (naked mole rat)
2 inches (pygmy jerboa) to 4.4 feet (capybara)
Cats, birds of prey, jaguars, snakes, caimans, humans, dogs, lizards