Marc Kéry [aut],
  Andy Royle [aut],
  Mike Meredith [aut],
  Ken Kellner [ctb, cre] (simIDS),
  Urs Breitenmoser [dtc] (EurasianLynx),
  Richard Chandler [ctb],
  Bob Dorazio [ctb],
  Evan Grant [dtc] (duskySalamanders),
  John-Andren Henden [dtc] (Finnmark),
  Roland Kays [dtc] (MesoCarnivores),
  David King [dtc] (cswa),
  Xavier Lambin [dtc] (waterVoles),
  Jeremy Mizel [ctb, dtc] (treeSparrow),
  Anja Molinari-Jobin [dtc] (EurasianLynx),
  René-Jean Monneret [dtc] (FrenchPeregrines),
  Arielle Parsons [dtc] (MesoCarnivores),
  René Ruffinoni [dtc] (FrenchPeregrines),
  Michael Schaub [ctb],
  Rahel Solmann [ctb],
  Nicolas Strebel [dtc],
  Chris Sutherland [ctb, dtc] (waterVoles),
  Mathias Tobler [ctb],
  Gesa von Hirschheydt [ctb] (simOccCat),
  Fridolin Zimmermann [dtc] (EurasianLynx),
  Aargau Biodiversity Monitoring Program (LANAG) [dtc]
    (SwissMarbledWhite),
  British Ornithological Trust [dtc] (willowWarbler, UKmarbledWhite,
    <https://www.bto.org/>),
  Butterfly Conservation [dtc, cph] (UKmarbledWhite,
    <https://butterfly-conservation.org>),
  Centre for Ecology & Hydrology [dtc, cph] (UKmarbledWhite,
    <https://www.ceh.ac.uk>),
  Dutch Centre for Field Ornithology (Sovon) [dtc] (wagtail,
    <https://www.sovon.nl>),
  eMammal [dtc] (MesoCarnivores, <https://emammal.si.edu/>),
  Groupe Pèlerin Jura [dtc] (FrenchPeregrines),
  Hubbard Brook Ecosystem Study [dtc] (HubbardBrook,
    <http://data.hubbardbrook.org/data/dataset.php?id=178>),
  Joint Nature Conservation Committee (JNCC) [dtc, cph] (UKmarbledWhite,
    <https://jncc.gov.uk/>),
  North Carolina Museum of Natural Sciences [dtc] (mesoCarnivores),
  North Carolina State University [dtc] (mesoCarnivores),
  Progetto Lince Italia [dtc] (EurasianLynx,
    <https://www.progettolinceitalia.it>),
  Swiss Federal Statistical Office [dtc, cph] (BerneseOberland,
    <http://www.bfs.admin.ch>),
  Swiss Foundation KORA Carnivore Ecology and Wildlife Management (SCALP
    project) [dtc] (EurasianLynx, <https://www.kora.ch>),
  Swiss Ornithological Institute [dtc] (<https://www.vogelwarte.ch>),
  UK Butterfly Monitoring Scheme (UKBMS) [dtc, cph] (UKmarbledWhite,
    <https://www.ceh.ac.uk/our-science/projects/uk-butterfly-monitoring-scheme>)