Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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15% of snails survive digestion by birds and are found alive in their droppings, potentially leading to the spread of snail populations.
1
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
Cats are one of the only animals to domesticate themselves and approach humans on their own terms.
20
The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
12
When the "Elephant Whisperer" Lawrence Anthony died, a whole herd of elephants arrived at his house to mourn him.
25
Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
17