The smallest frog in the world is the Paedophryne amanuensis. First discovered in New Guinea in 2009.
Measuring only 0.3 in length, Paedocypris is the smallest fish. Found in the peat swamp forests of Indonesia’s Sumatra Island.
Slender Blind Snakes or Thread Snakes are thought to be the world’s smallest snakes at about 4.3 in length.
The Kitti’s Hog-nosed Bat (Craseonycteris thonglongyai) or Bumblebee Bat from Thailand and Burma is the smallest bat.
The Bee Hummingbird is the smallest bird and the smallest warm-blooded vertebrate. It measures 2.2 in length and weighs 0.06g.
The world’s smallest turtle is the Speckled Padloper Tortoise from South Africa. Males measure 2.4–3.1 in (6–8 cm).
The Etruscan shrew (Suncus Etruscans), also known as the Etruscan Pygmy Shrew and the White-toothed Pygmy Shrew.
While the pygmy marmoset may be the smallest monkey, the title of smallest known primate goes to Madame Berthe’s Mouse Lemur.
The Pygmy Marmoset or Dwarf Monkey is the world’s smallest monkey. It is native to the rainforest canopies of Brazil.
With a typical body length of 9.4–11.4 in (24–29 cm), the tiny Pygmy Rabbit is the smallest rabbit in the world.