Mercury 'turns' wetland birds such as ibises homosexual

Mercury affects the behaviour of white ibises by "turning them homosexual", with higher doses resulting in males being more likely to pair with males.

Scientists in Florida and Sri Lanka studied the effect of mercury in the birds' diet. Their aim was to find out why it reduced the ibises' breeding.

Mercury pollution can come from burning coal and waste, and run-off from mines.

Editor's Comment
Closure as pain lingers

March 28 will go down as a day that Batswana will never forget because of the accident that occurred near Mmamatlakala in Limpopo, South Africa. The tragedy affected not only the grieving families but the nation at large. Batswana throughout the process stood behind the grieving families and the governments of Botswana and South Africa need much more than a pat on the back.Last Saturday was a day when family members said their last goodbyes to...

Have a Story? Send Us a tip
arrow up