Why do some invasive species expand rapidly in a new environment while others do not" Scientists from the United States and Australia are beginning to make headway on this question after analyzing how fast cane toads invaded different regions of Australia.

The Federal Government has announced it will send ships and aircraft to monitor the Japanese whaling fleet in the Southern Ocean, a decision which could lead to an international court challenge.

World Wildlife Fund (WWF) and its partners are taking swift action to protect critically endangered mountain gorillas after three females and one male silverback were discovered shot to death in the Democratic Republic of Congo (DRC).

Logging, building, farming and poaching have virtually killed off the Amur Leopard, the Reuters news agency quoted WWF officials as saying on Wednesday.