Aug 2, 2024, 08:10 PM IST

The smallest bird, weighing around 1.6 to 2 grams and measuring about 2.4 inches in length.

This tiny frog, discovered in Papua New Guinea, is one of the smallest vertebrates, with a length of just about 7.7 millimeters.

The smallest mammal by length, measuring about 1.6 inches long, excluding the tail.

The smallest fish, measuring around 8 millimeters in length.

Often referred to as seed shrimp, these tiny crustaceans can be as small as 0.1 millimeters.

The smallest mammal by weight, this bat weighs around 2 grams and has a wingspan of about 5.7 inches.

Also known as water bears, they can be as small as 0.3 millimeters and are famous for their resilience.

Another contender for the smallest bat, it has a wingspan of around 5.7 inches and weighs approximately 2 grams.