The dataset contains passive activity index data used to monitor the distribution and activity of introduced carnivores in the habitat of endangered species within Uluru-Kata Tjuta National Park.

The dataset contains a record of coastal dolphin- Australian Snubfin (<em>Orcaella heinsohni</em>) and Indo-Pacific Humpback (<em>Sousa chinensis</em>)) species sighted, total number of individuals, and group/school size in Kakadu National Park rivers between March 2007 to August 2011.