One should not judge someone by their size. This definitely holds true for the smallest mammals in the world. They may appear cute and defenseless, but they are capable of huge feats. They use their petite frames work to their advantage, be it climbing across delicate branches while hunting for insects or dodging predators by hiding in thin crevices.
5. Pygmy Possum
The Pygmy Possum (Cercartetus nanus) is part of the marsupial family. There are five extant species of pygmy possum four of which are endemic to Australia. Pygmy possums are nocturnal and omnivorous in nature and can range in length from about 5 to 12 cm , and weighing between 10 and 50 grams.
4. American Shrew Mole
American Shrew Mole (Neurotrichus gibbsii) are also known as Gibb’s shrew mole and live in the forests of the northwestern United States and southwestern British Columbia. They weigh around 10 grams and are about 2 and a half inches long, with a 1-inch-long tail.
3. Pygmy Jerboa
The Pygmy Jerboa (Salpingotulus michaelis) looks like a super cute cross between a mouse and a tiny kangaroo and is native to Pakistan and Afghanistan, though 25 different species of jerboa live across Central Asia and China. The average pygmy jerboa is 2 inches in length, with a tail that’s 3 to 10 inches long.
2. Etruscan Shrew
The Etruscan shrew (Suncus etruscus) may look tiny but it has very rapid movements and an incredibly fast metabolism and can eat up to two times its body weight each day. An average shrew can grow to between 1.5 to 2 inches, not including its tail, which is one-third of its body length.
1. Bumblebee Bat
The Bumblebee Bat (Craseonycteris thonglongyai), also known as Kitti’s hog-nosed bat and is an endangered species. They are found in small areas of western Thailand and south-east Myanmar and live in limestone caves. They barely weigh 2 grams and are 1 to 1.3 inches in length, about the size of a large bumblebee.