20. Pygmy Jerboa
The pygmy jerboa is one of the tiniest rodents on the planet, instantly recognizable by its long, delicate legs and mouse-like tail. These desert dwellers are famous for their astonishing jumping skills, which help them navigate their arid habitats.
Pygmy jerboas require specialized care and a carefully controlled environment, making them more suitable for experienced small animal enthusiasts. Their unique appearance and remarkable agility make them a fascinating, if challenging, pet.
Discover more at BBC Earth.