11. Philippine Tarsier
Philippine Tarsier is among the smallest primates in the world. Endemic to Philippines, it is found on the islands of Bohol, Samar, Leyte and Mindanao. The interesting fact about tarsiers is that they can turn their heads nearly 180 degree. Body length of Philippine tarsier is about size of an average person’s hand. It is a shy nocturnal animal and likes to come out during night only for food.
12. Patu Digua Spider
Patu Digua Spider is the smallest spider in the world. Its total body size is 0.37 mm that is roughly we can say the size of tip of pin.Very little is known about the biology of world’s smallest spider. It is endemic to Colombia.
13. Vechur Cow
Normally, when we think about cows, a huge shape of animal comes in our mind but it is interesting to note the fact that we are talking about a cow of only 124 cm in length and 87 cm in height. The name of this cow is Vechur cow and it is found in Kerala, India. Also known as Vechoor cow, it is the smallest breed of cattle in the world.
Diana, a 7 year old Vechur cow is the shortest cow and also smallest bovine in the world. Born and bred at the Vechur Conservation Centre, Kerala, India, it measures just 77 cm (30 in) from the hoof to the withers.
14. Paedophryne Amauensis Frog
Paedophryne amauensis frog is the smallest vertebrate in the world. It is a new species discovered recently. It is found in Papua New Guinea. Its body length is mere 7.7 mm. In comparison, a U.S. coin is larger than this frog. It is so tiny that its discovery was made possible through triangulation and is very difficult to detect in leaf litter of tropical forests.
15. Buff-faced Pygmy Parrot
Buff-faced Pygmy Parrot is the smallest parrot species in the world. This tiny parrot with a body length of only 8.6 cm (3.4 in) is found in forests of Papua New Guinea and Indonesia. It was first described in 1866 by English naturalist Philip Lutley Sclater. Weighing just 11.5 g (0.41 oz), Buff-faced Pygmy Parrot is even smaller than some insects. Unlike other parrots, it does not eat fruits and nuts but lichen and fungi.
16. Smallest Octopus Wolfi
Octopus Wolfi or Star-sucker pygmy octopus is the smallest octopus species in world. Discovered in 1913, it is just 1.5 cm in body length and weighs less than a gram (0.035 ounce). This tiny octopus occurs in the Indo-Pacific Ocean. Males of Octopus Wolfi contain fringe-like rims on their suckers. This species is a tiny wonder among more than 300 kinds of octopus that are found worldwide.
17. Fairy Fly
Tinkerbella nana, a fairy wasp is the smallest known winged insect in the world. It is invisible to human eye. Found in Costa Rica, it was named after the fairy Tinker Bell in the 1904 play “Peter Pan”. Only visible under a microscope, it is 250 micrometres long – that’s 2.5 times the width of a human hair. Fairyflies live off the eggs and larvae of other insects. There are about 1,424 known species of fairyflies in the world.
World’s smallest insect with a body length of only 0.139 mm (0.0055 in) also belongs to fairyflies.
18. African Pygmy Hedgehog
Also known as four-toed hedgehog, it is one of the smallest hedgehog species in the world. They are native to Africa. Its length is about 15 to 25 cm and weighs around 250 and 600 grams. African Pygmy Hedgehog is one of the most popular species of domesticated hedgehog.
With a body length of 5.5 to 11 inches long and weighing about 10 to18 ounces, Desert hedgehog is also among the smallest hedgehog species in the world.
19. Pygmy Goat
Pygmy goat is the smallest domestic goat of the world. Weight of the breed is different in males and female. In female their weight is 24 to 34 kg while in males it is 27 to 39 kg. Height ranges from 16 to 23 in. They are found in different colors. Pygmy goats originated from West Africa.
Nigerian Dwarf goat, Kinder goat and miniature dairy goats are also among the smallest goat breeds in the world.
20. Madame Berthe’s Mouse Lemur
Madame Berthe’s mouse lemur is the smallest mouse lemur and also the smallest primate in the world. It has a body length of 92 millimeters (3.6 in) and is found in western Madagascar. Also known as Berthe’s mouse lemur, it has large eyes, a long tail and weighs only 30 g. It was discovered in 1992 and is currently endangered due to illegal logging.