Researchers have found a male cheetah’s “stutter” bark triggers the female reproductive system to release eggs. Unlike other cat species, female cheetahs lack a regular reproductive cycle and rarely ovulate. – WTF Fun Facts
Source: https://www.nationalgeographic.com/animals/2009/01/cheetah-gender-hormones-animals/
Recent research has found that seals brought Tuberculosis to North & South America and not European explorers. – WTF Fun Facts
Source: https://www.sciencemag.org/news/2014/08/seals-infected-early-americans-tuberculosis
The ‘Rain of fish’ is an annual event celebrated in the Honduran city of Yoro. During massive rain storms, hundreds of small silver fish supposedly rain from the sky onto the streets of the small town. – WTF Fun Facts
Source: https://www.livescience.com/37820-lluvia-de-peces-fish-rain.html
There are lobsters who are not only colored differently but half their body is male and half is female. They are known as gynandromorphs. – WTF Fun Facts
A mosquito’s proboscis has six needles, two of which have 47 sharp edges on their tips to help cut through skin and even protective layers of clothing in order to suck your blood. – WTF Fun Facts
Source: https://endmosquitoes.com/do-mosquitoes-have-teeth-number/
Dogs evolved the specific (RAOL and LAOM) muscles that give them the ability to raise their inner eyebrows more than 33,000 years ago as they became domesticated. It’s an evolutionary trick used to manipulate human emotions. – WTF Fun Facts
The world’s longest treadmill is 7 feet wide by 30 feet long and started operating on August 26, 2011 at the Wolf Science Center in Ernstbrunn, Austria. – WTF Fun Facts
Sperm whales can reach a volume of up to 230 decibels with their songs, making them the loudest animal on Earth. For comparison, that is twice as loud as a jet taking off. – WTF Fun Facts
Source: http://www.bbc.com/earth/story/20160331-the-worlds-loudest-animal-might-surprise-you
The male priapium fish (Phallostethus cuulong), which is named after the ancient Greek fertility deity Priapus, has its genitals right under its chin. – WTF Fun Facts
Source: https://www.newscientist.com/article/dn22023-zoologger-the-fish-with-its-genitals-on-its-head/