Some birds boast the world’s most acute eyesight, and there is one crustacean that takes colour vision to the extreme, but some would argue that the best eyes in the animal kingdom belong to the ...

But that's nothing compared to a barnacle's. That little crustacean has proportionally the longest penis of any animal on earth spanning up to 10 times his body size. That's like a human's ...

“Even more rare are males with two tusks, from both left and right upper canines,” Loch says. If we separate out the tusks — which are different from regular teeth because they don’t even fit inside ...

Surely here the professor is attempting an impossibility in dealing with the phyla of the animal kingdom in rotation, defining their characters, etc., without his class having acquired any ...

While many people associate cruelty primarily with human behavior, it exists in the animal kingdom as well. Today, we’ll delve into some of the most notorious examples of cruelty among animals ...

Females lay a single egg up to 20% of their body weight. Yet, when you check out other extreme births in the animal kingdom the kiwi can consider itself lucky. Shingleback lizards also have a ...

Disney’s Animal Kingdom, the most recent addition to Disney World in Orlando, turned 25 last year, and it’s never been better. The extravagant Pandora—The World of Avatar expansion opened in ...

At the very top of the hierarchy is the entire animal kingdom, but just below that zoologists collect species in large groups, called phyla or phylum if we’re just talking about one group ...

And, in one of the animal kingdom’s most extreme examples of infant independence, she says: “Once hatched, the chicks will dig themselves out and make a dash for nearby undergrowth without ...

Forbes contributors publish independent expert analyses and insights. I write about the world of biology.