The thinking behind the move was widely accepted at the time, and 'has only been proved wrong in hindsight' - researchers
Joy as thirtysomething pachyderm makes three-week journey from Kenya.
The Botswana government has been accused of valuing wildlife more than human life, as it ups the ante against illegal hunters in the region.
Poaching linked to crime syndicates has seen 85 000 tuskers being slaughtered in five years.
It is not only armed insurgent and rebel groups that fuel the slaughter of elephants, it is also greed.
Slaughtered for tusks and meat, endangered wildlife numbers have taken a huge knock since soldiers and rebels began fighting in December.
Misappropriation in a fund meant to hold proceeds of ivory sale could stymie plans to legally sell rhino horn, writes Sipho Kings.
A year-long investigation has exposed official complicity in slaughter for the ivory trade.
New UN resolutions bring sanctions against illegal wildlife and resource traders who support armed groups committing social atrocities in Africa.
25 000 elephants have been killed last year across Africa, and the numbers will grow, a continental conference on poaching has heard.
Zimbabwe wildlife authorities have discovered 10 elephant carcasses poisoned by cyanide, which raises the number found to over 100.
Madikwe Game Reserve used to be the most poached placed outside of Kruger. But the rangers have learnt how to fight back - and word has spread.
The claim that officers are accepting bribes from suspected poachers is raising questions over the ability of police to combat poaching syndicates.
Wildlife experts suspect at least 64 elephants were poisoned to death for their tusks at the Hwange National Park, in Zimbabwe.
Poachers have mixed cyanide with salt to quietly take down elephants in the north of Zimbabwe.
Government research shows that 30 elephants are slaughtered a day by poachers in the country.
An elephant orphanage in Kenya is seeing an upsurge in orphaned elephants brought there because of the poaching crisis occurring across Africa.
Poaching in protected wildlife areas has been on the rise in the Central African Republic since the country was plunged into turmoil, say campaigners.
Poachers killed at least 86 elephants in Chad last week, say conservation groups, warning that elephants in Central Africa risked being wiped out.