Rodents

Rodentia are the largest order of mammals in the world, encompassing over 40% of mammal species.  A rodent is characterized by having two pairs of large front teeth, one pair in each of the upper and lower jaws.  These are called incisors and are used for gnawing vegetation.  They have no canine teeth, leaving a large gap between the four front teeth and their molars in the back of the mouth.  Rodents can be found in all types of habitat everywhere in the world except Antarctica, New Zealand and a few oceanic islands. Capybara, Hydrochoerus hydrochaeris, use calls to warn…