Orca – The World’s Largest Dolphin
by Ingrid N. Visser
This article shares information about orca and the research conducted by the author (Ingrid Visser runs the Orca Research Trust). It looks at how and why she carries out research and what is known about orca. It also covers some of the threats to their habitat and what we need to do to protect them. The article includes a text box about the various names given to orca and another with advice on how to act around orca should you encounter them.