Tracking the gaze of birds

Anders Kjærsgaard, Cino Pertoldi, Volker Loeschcke, Dan Witzner Hansen

Research output: Conference Article in Proceeding or Book/Report chapterBook chapterResearchpeer-review


Accurate measurements of what birds are looking at are valuable to most studies of vision and visually guided behaviour in avian species. Compared to human visual research, studies of gaze behaviour in birds are limited. A new laser-based method that can be used to quantify several aspects of a given sequence of gaze shifts and fixations is presented. Using near infrared light to estimate gaze direction is a relatively simple and cheap method to study visually guided behaviour. It has the potential to contribute significantly to the ornithological research by allowing the quantification of several behavioural traits of birds. Other methods are discussed and compared to the use of infrared light, and possible fields of application are suggested.
Original languageEnglish
Title of host publicationTracking the gaze of birds
Number of pages4
Publication date2008
ISBN (Print)1600-048X
Publication statusPublished - 2008


  • Bird gaze behavior
  • Laser-based measurement
  • Near infrared light
  • Visually guided behavior
  • Avian species research


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