Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
12
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
Drivers kill more deer than hunters do.
660
The octopus does not have a blind spot.
273
15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1