This document discusses how big data is playing an important role in wildlife conservation. It begins by defining wildlife and explaining why conservation is important, noting threats such as poaching. It then explains how big data analytics can examine large datasets to identify patterns and correlations in ways that are faster and more efficient than traditional methods. Examples are given of how sensors on animals can identify poaching and cameras can identify poachers. The document also outlines some specific projects using big data for conservation, such as the Great Elephant Census and eBird app. It concludes by stating that big data is providing a great help in maintaining ecosystems.