Have you noticed how dogs sniff each other rear ends? Even though it seems kind of gross and disgusting, I always wondered why they did that.
A quick Google search found this : "a butt sniff for dogs is like a handshake for humans. Dog's amazing sense of smell is 10,000 to 100,000 times better than humans. They also have a special part of their noses called the Jacobson's organ that lets them ignore the smell of poop when they sniff another dog's rear."
I found that last part kind of fascinating.
On a related note, scientists in China found a fossilized "cloaca" of a Psittacosaurus. A cloaca or "butthole" is the opening where the dinosaur used to pee, poop and reproduce, allowing paleontologists to study it for the first time. According to scientists, these creatures mated by cloacal "butt" kissing.
To be honest, I am surprised these fossilized cloacas weren't found in Washington DC, with the serious blatant ass-kissing that happens in our nation's capital.
[ The top image comes courtesy of the animated film "We're Back - A Dinosaur's Story". ]
Discuss.
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