650,000 – The estimated number of hairs per square inch on a sea otter, which boasts the densest fur of any mammal.

17,000 – The number of animals rescued by SeaWorld and Busch Gardens over the past 35 years.

180 – The number of endangered, threatened and at-risk species cared for by SeaWorld, Busch Gardens and Discovery Cove.

95 – The number of ant species scientists documented in a single Amazonian tree.

75 – The number of minutes a sperm whale can holds its breath underwater.

24 – The number of ounces a polar bear cub can weigh a birth. Weighing just a few pounds and at birth, adult male polar bears can weigh more than 1,400 pounds. Polar bears are the largest living land carnivore on Earth.

20 – The wingspan, in feet, of a manta ray.

6 – The percentage of Earth’s total land surface covered by rainforests. These same rainforests, however, are home for up to 75 percent of all known species of plants and animals.