“Yellow crazy ants are the biggest threat to the red crab population, and Christmas Island National Park has been dealing with this threat for over 10 years.” In fact, effective crazy ant ...

Another species, the yellow crazy ant (Anoplolepis gracilipes), is capable of forming so-called supercolonies that house hundreds or even thousands of queens. On Australia’s Christmas Island ...

With more than 150 million red crabs on Christmas Island ... has an advantage when it comes to protecting against yellow crazy ants, which have killed tens of millions of red crabs since the ...