The Mako shark is the fastest shark on earth. It swims up to 60 miles per hour (96km/h) and it can jump almost 32ft (10m) out of the water.
Dolphins sleep with only one side of their brain, keeping one eye open and one eye closed. They surface every 20 to 30 minutes to breathe, and they are never totally unconscious while sleeping.
Elephants use their ears to cool down. The big skin surface and moves like a fan blade and can reduce their body temperature by about 10 degrees Celsius (20 Fahrenheit).
An ostrich egg equals 24 chicken eggs, and can feed 12 people breakfast. They weigh about 3 pounds (1.4kg).
All scorpions glow under UV light. The Emperor Scorpion in West Africa glows blue or green. UV lights are perfect for finding scorpions in a home.
Mosquitoes love the scent of stinky feet. Cleaning your feet before being around mosquitoes helps to avoid being bitten.
The largest creature to ever fly above our earth was the Quetzalcoatlus. It's wingspan was 50 feet (16m).
Snails can glide across razor blades and knives without being harmed. The mucus they secrete acts as a barrier between their body and the sharp object.
Silver ants reflect light, allowing them to be the only creatures active during peak hot hours in the Sahara desert. Their reflective skin allows them to stay in the sun up to 10 minutes at a time.
Small song and swallow birds fly for two days across the Sahara desert every year to reach their breeding ground in Europe.
Humans have 33 vertebrae in the spine. Snakes can have up to 400 vertebrae, with ribs attached to each one.
The blue whale is the loudest animal on earth. A blue whale call can travel hundreds of miles across the water, and it is louder than an F18 jet fighter.