Top 10 smallest animals in the world

With a typical body length of 9.4–11.4 in (24–29 cm), the tiny Pygmy Rabbit (Brachylagus idahoensis) is the smallest rabbit in the world. Adults weigh only 14 oz (400 g).

Pygmy Marmoset or Dwarf Monkey (Cebuella pygmaea) is the world’s smallest monkey. It is native to the rainforest canopies of Brazil, Columbia, Ecuador, Peru and Bolivia.

While the pygmy marmoset maybe the smallest monkey, the title of smallest known primate goes to the Madame Berthe’s Mouse Lemur (Microcebus berthae).

Etruscan shrew (Suncus etruscus), also known as the Etruscan Pygmy Shrew and the White-toothed Pygmy Shrew, weighs only 0.04–0.1 oz  (1.2–2.7 g). 

The world’s smallest turtle is the Speckled Padloper Tortoise (Homopus signatus) from South Africa. Males measure 2.4–3.1 in (6–8 cm), while females, 4 in (10 cm).

Bee Hummingbird (Mellisuga helenae) is the smallest bird and the smallest warm-blooded vertebrate. It measures 2.2 in (5.7 cm) in length and weighs 0.06 oz (1.8 g).

Kitti’s Hog-nosed Bat (Craseonycteris thonglongyai) or Bumblebee Bat from Thailand and Burma is the smallest bat, measuring 1.1–1.6 in (30–40 mm) in length and weighing 0.05–0.07 oz (1.5–2 g)

Slender Blind Snakes or Thread Snakes (Leptotyphlopidae) are thought to be the world’s smallest snakes at about 4.3 in (11 cm) in length. Found in North and South America, Africa, and Asia.

Measuring only 0.3 in (7.9 mm) in length, Paedocypris (Paedocypris) is the smallest fish. Found in the peat swamp forests of Indonesia’s Sumatra Island,

The smallest frog in the world is the Paedophryne amauensis. First discovered in New Guinea in 2009, it’s a relatively new species that doesn’t even have a common name yet