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Wildlife corridor use amongst reticulated giraffes (Giraffa camelopardalis reticulata) at Ol Pejeta Conservancy, Kenya

The African continent is home to many large and unique wildlife species and is, as is commonly known, considered to be the birthplace of the human race. The numbers and strength of this wide array of species is however diminishing rapidly before our eyes (Campbell et al., 2003; Ogutu et al., 2016). In merely the last three decades, the population of reticulated giraffe (Giraffa camelopardalis reticulata) in Africa has seen a rapid decline of 56% with a steady downward trend

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A computer-assisted system for photographic mark–recapture analysis

Photographic mark–recapture is a cost-effective, non-invasive way to study populations. However, to efficiently apply photographic mark–recapture to large populations, computer software is needed for image manipulation and pattern matching. We created an open-source application for the storage, pattern extraction and pattern matching of digital images for the purposes of mark–recapture analysis. The resulting software package is a stand-alone, multiplatform application implemented in Java. Our program employs the Scale Invariant Feature Transform (SIFT) operator that extracts distinctive features invariant to image

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