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National Geographic reports that when Asian elephants are feeling stressed or upset, their fellow pachyderms will attempt to provide comfort by caressing them with their trunks and offering "chirps of sympathy."

At least that is the case in terms of their brain-to-body ratio. Of course, brain size and intelligence do not necessarily correlate, but it might partly explain why these dogs are known for being especially easy to train.

According to National Geographic, the sticky tongues of chameleons are roughly twice the length of their bodies—for humans, that would be like having a tongue that measured 10 to 12 feet long. In addition, the color-changing lizard has one of the fastest tongues in the animal kingdom. Quite the combo!

Black and gold are beloved colors in Pittsburgh, especially for sports fans who proudly wear them whether they're rooting for the Steelers (NFL), the Penguins (NHL), or the Pirates (MLB). According to The Witchita Eagle, the inspiration for the choice of color is "pretty simple—they are the colors of Pittsburgh's flag, which is based on the coat of arms of William Pitt, the 18th century British prime minister for whom the city is named."

But they are happy to share them—for the right price, of course. Any zoo that wants a panda has to rent it from China, which, Money reports, costs around $1 million a year. What if one of the bears has a baby while in a zoo's custody? The Chinese government charges a $400,000 cub tax.

Animals That Sleep A lot

Animals That Sleep A lot | Useless Daily: Facts, Trivia, News, Oddities, Jokes and more! We know that sleep is vital to our health. Researchers have stopped searching how important is sleep because even if sleep could be overcome there would be at least one animal that would figure it out.

Sloth Trivia | 40 facts about the cute animal

Sloth Trivia | 40 facts about the cute animal Sloths are a group of arboreal Neotropical xenarthran mammals, constituting the suborder Folivora.

In fact, the seahorse is the only animal on earth in which the male gives birth, according to National Geographic. The female deposits her eggs into the male's "brood pouch," where he fertilizes them and carries the eggs until they hatch.

Hippos can work on their tans without having to worry about getting burned since their skin naturally secretes an oily red substance that acts as a moisturizer and sunblock, according to a 2004 article published in the journal Nature. And according to the San Diego Zoo, the red color sometimes makes onlookers believe they're sweating blood

It's hard to imagine anyone being able to speak—or even understand—all of the 850-plus indigenous languages that are spoken in Papua New Guinea. And in reality, most people don't. Many of the languages in the country—such as Nihali—are only spoken and understood by a few thousand people in the world. Still, the sheer number of languages that exist in Papua New Guinea make it one of the most linguistically diverse countries in the world.