Ostrich eyes are the largest of any animal that lives on land (though they can’t rival some of the massive creatures that inhabit the depths of the sea). Approximately the size of a billiard ball, their eyes are actually bigger than their brains.
Petting a dog can actually benefit your physical and mental health. Studies have shown that petting a dog for 15 minutes can lower blood pressure by 10%, can help lower feelings of stress, depression, and combat loneliness.
Cats are one of, if not the most, popular pet in the world.