neotropical pygmy squirrel

The term "neotropical pygmy squirrel" refers to a specific species of rodent, Sciurillus pusillus, found in the Amazon Basin. This squirrel is one of the smallest known, weighing only 33 to 45 grams and measuring 9 to 12 cm in body length, with a tail of similar length.1

Squirrels, in general, are rodents known for their bushy tails, a characteristic that gives them their name from the Greek word for "shade tail". They inhabit diverse ecological niches worldwide wherever vegetation is present. While the term "squirrel" often brings to mind tree squirrels, the family also includes ground squirrels, chipmunks, marmots, prairie dogs, and flying squirrels.1

The diet of squirrels is varied, with tree squirrels commonly eating nuts and fruits, aided by strong incisors and jaws for cracking them open. They also consume seeds, fungi, insects, bark, nectar, and occasionally bird eggs or carrion. Some species are known to prey on smaller animals.2