Subscribe now

Life

It's raining males, if you're a buffalo

28 April 2010

New Scientist. Science news and long reads from expert journalists, covering developments in science, technology, health and the environment on the website and the magazine.

Who you calling a distorter?

(Image: Friedrich von Horsten/Alamy)

EAT red meat if you want a boy baby, fish and vegetables for a girl… Myths about how women can influence the sex of their baby abound, but for African buffalo, such effects are more science than fiction, and the main driver is the pitter-patter of tiny raindrops.

During wet periods, about 55 per cent of conceptions are male, but this falls to 45 per cent in dry seasons, says Pim van Hooft of Wageningen University in the Netherlands. He analysed data from more than 3000 buffalo culled over 20…

Sign up to our weekly newsletter

Receive a weekly dose of discovery in your inbox. We'll also keep you up to date with New Scientist events and special offers.

Sign up

To continue reading, subscribe today with our introductory offers

Piano Exit Overlay Banner Mobile Piano Exit Overlay Banner Desktop