Boys born in winter are more likely to be left-handed than those born during the rest of the year in what scientists say is indirect evidence of hormonal mechanism.– WTF Fun Facts
Source: https://www.sciencedaily.com/releases/2014/07/140703102940.htm
Cats have a dominant paw very similar to how humans have a dominant hand. These preferences also differ by sex – same as in humans. Males tend to prefer their left paws, whereas females were more likely to be righties. – WTF Fun Facts
Source: https://news.nationalgeographic.com/2018/01/animals-pets-cats-right-handed/
