Alexandre Roulin, Professor of Biology at the University of Lausanne, Switzerland is currently writing a review of worldwide studies of barn owls, family Tytonidae, summarizing more than 3,600 published papers on the subject.

To illustrate his forthcoming book, Alexandre is seeking photographs of all Tytonidae species and subspecies, taken across the global distribution of this fascinating family.

All photographers providing images will be fully credited in the publication. Any submissions should include full details of where and when the photographs were taken, and if known (sub)specific identification.

If you would like to contribute to this project, please contact Alexandre at Alexandre.Roulin@unil.ch