Counting elephants05/02/2016May 2, 2016Scientists in Mozambique's Gorongosa National Park have their work cut out for them. They are meticulously cataloguing the local ecosystem in an effort to compile a who's who of indigenous species.Copy linkImage: CC BY 2.0/Benh LIEU SONGAdvertisementThe Elephant and the mosquito06:27This browser does not support the video element.