Nicole Kidman is scared of butterflies.
65
Christmas Island has bridges for crabs to stop them getting run over during the mass migration.
9
Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
16
There's a rare breed of pig that looks like a sheep.
14
Cats and dogs can hear ultrasound.
350
When dragonflies mate, their tails form a love heart.
22