4Snake
Snakes are reptiles and they lay eggs in which their offspring develop. The only thing is that all snakes are poisonous and non-poisonous snakes use their weight and muscle strength to strangle their victims. The gestation period for snake eggs are anywhere from 3-9 months depending on the species.
The most poisonous snake species on Earth is the Inland Taipan found in Australia and the heaviest snake in the world is the green anaconda which weighs in excess of 500lbs. While the record for the longest snake in the world currently goes to the reticulated python, especially one by the name Medusa that is 7.67 meters (25 feet, 2 inches) long.
Image Source: www.myplanet-ua.com
5Cheetah
Cheetah is considered the fastest animal on land in the world. Though it is now an extremely endangered species, it is still one of the best predators in jungles.
The record for the fastest animal on land was set in 2012 by a cheetah named Sarah and she clocked at 61 miles per hour.
Image Source: www.srekja.mk
6Bats
Bats are the only mammals that can fly. Bats have a gestation period of 40 days-6 months depending on the size of the bat.
The largest species of bats are the Flying foxes with a wingspan of 1.7 m or 5 ft 7 inches and they can lift up to 4 lb of weigh easily.
Image Source: www.nature.com
7Emperor Penguin
The Emperor Penguins give birth to a single egg after a gestation period of 63 days.
The Emperor Penguin is also the tallest and heaviest species of all penguins in the world. They can reach a height of 48 inches and can weigh up to 49-99 lbs. their life span is upto 20 years in the wild and 50 years in captivity.
Image Source: www.entrancetotheworld.com