Top 10 Smallest Animals On Our Planet

Size doesn’t matter! But until when you are not as small as these tiny animals found on earth. For these creatures, everything around is a threat. How they manage to survive for years is really a matter of surprise. All of these animals you are going to see are the living example that amazing things come in small surprises. Nature is truly amazing as it has created such beautiful creatures.

Let’s have a look on these beautiful yet tiniest living animals.

1. Pygmy Marmoset

Pygmy Marmoset

The Pygmy Marmoset is the world’s smallest New World monkey which is found mostly in rainforests of western Amazon basin. It is known for being one of the tiniest primates and smallest monkey in South America and the world. It weighs only 100 gm and grows only 6 inches. They are normally found in river edge and evergreen forests. They leap between the trees and eat tree sap and insects. They are known to have sharp claws and teeth and they are docile and favorite in pet trade.

The group has around 2 to 9 members, including 1 or 2 adult males and females, a breeding female and offspring. Young marmosets love to live in the group for two birth cycles. They use a unique type of communication to send alerts and warn their family members. They use visual, vocal, and chemical types of communication. It avoids other groups and promotes group cohesion.

2. Miniature Horse

Miniature Horse

These horse breeds are found in several countries, especially in Americas and Europe. According to the specific breed registry, the height of these horses is usually below 34 to 38 inches. Their size makes them look like very small pony. They have different coat patterns and colors. These animals are known to be friendly and they have great interactions with humans. So, they are also kept as pets and still retain normal horse behavior, including fight or flight instinct. So, they must be treated as an equine, even they are a companion. They act as assistance dogs for disabled and also trained for equine agility, driving and other events like horse show.

3. Bee Hummingbirds

Bee Hummingbirds

The Zunzuncito or Bee Hummingbird is a hummingbird species which is native to woodland edges and dense forests on main Cuba Island and on Isla de la Juventud. With only 5 to 6 cm of length and 1.6 to 2g of mass, bee hummingbirds are the world’s smallest living bird species. The male bee hummingbird can be identified with fiery red throat and green pileum, bluish upper parts, iridescent gorget with lateral plumes, and most of the underparts are usually grayish white. Male is smaller as compared to female. Female is whitish below and green above, with white tips to upper tail feathers. Bee hummingbird is chunky and rounded as compared to other hummingbirds that have slender body.

4. Miniature Pig

Miniature Pig

Also known as teacup pig, mini pig, designer pig, apartment pig, nano pig, or pocket pig, the breed of a miniature pig is designed for medical research or for using as a pet. These designer pigs weigh only 20 to 90 pounds. They were first used in Europe for medical research. In 1980s, they were introduced to the US. Since then, they have been used in scientific research across the world, as well as for studies as a source of organ transplantation and organs. On average, a pot-bellied, full grown pig is around 16 to 26 inches tall at shoulders.

5. Philippine Tarsiers

Philippine Tarsiers

It is an endangered tarsier species which is native to the Philippines. It belongs to around 45 million years old Tarsiidae family, which is named after ‘Tarsus’ or ankle bone. It is a very peculiar and small animal. It is as small as adult man’s hand. They are usually active at night and rely on insects. Currently, it is registered as the only member of Carlito genus which is known for Carlito Pizarras, the famous conservationist.  It is also found in Basilan Island, Siargao Island, Maripipi Island, and Dinagat Island. It measures just 85 to 160 mm in height with mass of 80 to 160 grams.

6. Panda Cow

Panda Cow

It is a miniature cattle breed which has the markings look like the same on giant panda. They are the most endangered cow species in the world. It is reported that only 24 panda cows are left in the world, as of January 2011. They are also known as miniature panda cow. This breed is made with genetic mutation. The markings have a white black marking around the eyes and a white belt around its midsection, and a white face like a panda.

7. Fennec Fox

Fennec Fox

The fennec or fennec fox is a tiny nocturnal fox native to Sahara Desert of North Africa. Its weird yet large ears are its most unique feature. It also helps to dissipate heat. It is the smallest canid species. Its ears, coat and kidney functions are familiar to low-water, humid environments and high temperature. The hearing of this animal is sensitive enough to hear the prey moving underground. Mainly, it eats small mammals, insects and birds. It lives around 14 years in captivity and eagle owl of African regions is its main predators. They dig out dens in sand to live in and for security.

8. Paedocypris


It is a smallest fish species in the world. This fish species is native to the carp family and it is also known as Paedocypris progenetica. It is the smallest vertebrate animal in the world. This backboned animal is transparent, tine Paedocryptis fish which looks like a larvae and it has lower head skeleton. The brain of this fish remains unprotected by bone.  They are found widely in tea-colored, dark waters that have pH3 acidity. This type of water is around 100 times more acidic as compared to rainwater.

9. Pygmy Rabbit

Pygmy Rabbit

It is known to be the world’s smallest rabbit species which is native to North America. The adult rabbit of this breed weighs only 400g and their body length is around 24cm to 29cm. females are a bit larger to males. Generally, their habitat is limited to areas on deep soils with dense, tall sagebrush used by them for food and cover. They are North American rabbits and among only two species that dig its own burrow in America.

10. Panamanian Golden Frog

Panamanian Golden Frog

This golden frog is much endangered toad species which is native to Panama. It has been known as subspecies of A. Varius and it is known as the separate species. The Brazilian or Gold Frog is the smallest frog native to Southern Hemisphere. Adult frogs grow only 9.8mm in length.