These are the 31 animals that live longest and shortest on the planet earth. This list also includes that things that are immortal!
Mayfly (48 hours or less)

They the shortest on the earth. They grow up to 1 in (2.5 cm).
Dragonfly (8 weeks)

Their wingspan is 75 cm at max, and they grow up to 10 cm.
Panther chameleon (5 months)

They live the shortest among reptiles and grow up to 30 cm.
House mouse (1.5 years)

They grow up to 20 cm, and the mouse can squeeze them into a half cm hole.
Opossum (2 years)

They are not a possum. They grow up to 100 cm.
Guinea pig (8 years or less)

Guinea pigs can identify their owners. They grow up to 40 cm.
Red panda (10 years)

They use their tails during the winter season to protect themselves, and they grow about 110 cm.
Kangaroo (10 years)

They grow up to 2.7 m during their lifetime.
Hummingbird (12 years)

Their heartbeats at 1,200 BPM (beats per minute). They grow about 12 cm.
Cheetah (12 years)

They're the fastest animal on earth. They grow about 230 cm in length.
Brushtail possum (13 years)

Brushtail possum is the relative of kangaroo, meaning they're a connected species. They grow about 93 cm in length.
Dog (13 years)

They can get as tall as 7ft while standing on their two legs, and they grow about 91 cm in length.
Tiger (15 years)

Tigers are the largest animals in the cat family, and they grow about 120 cm in length.
Cat (16 years)

They can grow 88 cm in length during their lifetime.
Lion (16 years)

An interesting fact about the lion, lionesses do the hunting, and the lions rest. They grow about 3 m in length.
Queen ant (20-30 years)

Queen ant is the mother of thousands of ants, and they grow about 4 cm during their lifespan.
Horse (30 years)

They grow about 1.8 m.