Social monogamy has been observed in less than 10% of mammal species – and birds have been shown to be less faithful than previously believed
In 2011, a shock celebrity break-up garnered headlines around the world – not the separation of Ashton Kutcher and Demi Moore, nor Jennifer Lopez and Marc Anthony, but the sudden, inexplicable rupture between Bibi and Poldi, two 115-year-old Galápagos tortoises at Happ reptile zoo in Austria.
After nearly a century as a couple, the female, Bibi, had had enough: one day, she bit a chunk off Poldi’s shell, drawing blood, and continued to attack him until zoo staff moved him to a separate enclosure.
About Author
More Stories
Memo to Trump: US telecoms is vulnerable to hackers. Please hang up and try again | John Naughton
The anxiety secret: how the world’s leading life coach stopped living in fear
How to deal with Zoom calls in 2025: in smaller groups with static backgrounds