This was obviously where the testosterone was being produced," said the zoo's clinical veterinarian, Adrian Tordiffe, at the time. ![]() "Surprisingly, the 'ovaries' that were removed only contained cells normally seen in the testicles of males. With concerns that Emma's hormones were out of whack, the zoo had her ovaries removed and conducted a biopsy - and while her biopsy showed that she had normal female XX chromosomes, her ovaries revealed something very different. "While SaF05 is mostly female in her behaviour - staying with the pride, mating males - she also has some male behaviours, such as increased scent-marking and roaring, as well as mounting other females," Gilfillan told Karl Gruber at New Scientist. Gilfillan from the University of Sussex in the UK, looked back at eight years of data on SaF05, they found that she had displayed sexual mounting behaviour with three females within her own pride on seven separate occasions.Īccording to the report, none of the maneless females had initiated such behaviour with her, and all homosexual mating attempts were either ignored or met with aggression. When the team, led by biologist Geoffrey D. While three of the maned lionesses were observed courting male lions, SaF05 appears to be targeting both males and females with her affections. ![]() Of the five, they chose one lioness to focus on, called SaF05. A team of biologists has been following these five 'masculinised' lionesses since 2014, and have now published the first scientific paper documenting the development of manes and male behaviour in wild females.
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