France was previously believed to have about 100 elite troops in the region.
"France would have to keep elite troops in Mali for a long time to defeat these men, " it said.
The carnage prompted Cameroon to mobilize 600 elite troops to try to keep the poachers from crossing the border again, WWF reported.
CNN: Cameroon elephant slaughter latest in string of killings
Victory so far has been won by a fairly small number of elite troops, such as paratroopers and other special forces, who are willing to fight at close quarters.
Significantly, elite troops of Australia's Special Air Service Regiment, understood to have infiltrated into East Timor in advance of Interfet's arrival in Dili Sept. 20, have already linked up with Falintil's Ruak in his mountain base.
Similarly, the Janissaries, the elite slave troops of the Ottoman emperors, were not allowed to marry.
His first order was to send a group of elite navy troops to rescue Mr Chavez, who was being held prisoner by renegade forces at a base on a Caribbean island.
They want the 2nd Battalion Parachute Regiment - known as 2 Para - to encircle the movement, along with elite US troops from the 101st and 82nd Airborne Divisions, the paper reported.
But officials are divided about whether women will ultimately serve as infantry troops or in elite special-operations units.
And in August 2011, insurgents shot down a Chinook helicopter, killing 30 American troops, mostly elite Navy SEALs, in Wardak province in central Afghanistan.
He worried the troops would reject him because he had not served in any of its elite units such as the Army's Delta Force or the Navy's SEAL Team 6.
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