The cockatoos have been observed making three types of different wooden tools, each with a different function.
Photo: Pixabay/BjoernSchrempp When most people in the United States think of invasive species, they might picture Burmese pythons in Florida or cane toads in Hawaii. Few Americans may think of shrubs as invasive species, yet these plants too can wreak havoc
The loss of a single wild tiger is a setback to conservation efforts. The death of three tigers at the same time is a tragedy.
Could massive tree planting actually slow climate change?
"The results are surprising because the climate in mountains would be expected to lead to low carbon forests."
Discarded fishing lines and nets can cause serious injuries to the mammals and even lead to their deaths.