PeerJ Author & Reviewer 250 Points Contributions by role Author 235 Reviewer 15 Contributions by subject area Ecology Veterinary Medicine Zoology Histology Animal Behavior Data Science Population Biology Oliver Keuling PeerJ Author & Reviewer Summary Animal Behavior Biodiversity Ecology Natural Resource Management Zoology PeerJ Contributions Articles 2 July 20, 2021 Precocious puberty in male wild boars: a possible explanation for the dramatic population increase in Germany and Europe Claudia Maistrelli, Hanna Hüneke, Marion Langeheine, Oliver Keuling, Ursula Siebert, Ralph Brehm https://doi.org/10.7717/peerj.11798 PubMed 34322327 November 18, 2020 Behavioural patterns of free roaming wild boar in a spatiotemporal context Dana Erdtmann, Oliver Keuling https://doi.org/10.7717/peerj.10409 PubMed 33240682