Hissing Cockroach Antennae - Your antennae aren't just for feeling, they're for smelling, too. Just wave your antennae around to sniff out food and recognize other cockroaches.

California sea lion ears - Unlike true seal ears, your California sea lion ears are outside your head. You can use these ears to hear above and below the water.

Spider crab claws - Grab on! Your spider crab claws can grow incredibly long and strong. Some have been known to grow leg spans greater than 13 feet!

Rodrigues bat wings - Your Rodrigues bat wings are very different from bird wings. Bird wings are made like human arm bones. But your bat wings are more like really long fingers. Creepy long fingers!

Siberian tiger tail - Your Siberian tiger tail is a four-foot-long aerodynamic masterpiece. It helps keep your balance when you're running. Just like a spoiler on the back of a race car.