Patrick Ilunga [aut, cre],
  Ilunga Buabua Patrick [cph]

Anne-Laure Boulesteix, Mathias Fuchs, Gerhard Schulze

Kyle Ward [aut, cre, cph],
  Greg Macfarlane [ctb]

Emilio Sansano [aut, cre],
  Raúl Montoliu [ctb]

Ping-Yuan Chung [cre],
  Chen-Tuo Liao [aut]

Simon Urbanek <simon.urbanek@r-project.org>, Tobias Wichtrey <tobias@tarphos.de>

Michael Schaub [aut],
  Marc Kéry [aut],
  Mike Meredith [aut],
  Ken Kellner [cre],
  Raphaël Arlettaz [dtc] (bats),
  Gabriel Banderet [dtc] (peregrine),
  François Biollaz [dtc] (bats),
  Radames Bionda [dtc] (grouse),
  Thomas Bregnballe [dtc] (cormorant),
  Hans Jakober [dtc] (redbacked),
  Ioannis Ntzoufras [ctb],
  Luca Rotelli [dtc] (grouse),
  Antoine Sierro [dtc] (bats),
  Wolfgang Stauber [dtc] (redbacked),
  Bruno Ullrich [dtc] (woodchat11),
  Fonds Sauvegarde Faune Flore Jurassienne - Groupe Pèlerin Jura [dtc]
    (peregrine),
  Idaho Department of Fish and Game [dtc] (elk),
  Louisiana Department of Wildlife and Fisheries [dtc] (bear),
  Monitoring Avian Productivity and Survivorship program (MAPS) [dtc]
    (catbird),
  North American Breeding Bird Survey (BBS) [dtc] (catbird),
  University Bern, Division of Conservation Biology [dtc] (hoopoe),
  Vogelwarte Hiddensee, Germany [dtc] (stork),
  Swiss Ornithological Institute [dtc] (hoopoe, kestrel, peregrine,
    swallow, wryneck)

Sam Levin [aut, cre] (<https://orcid.org/0000-0002-3289-9925>),
  Aldo Compagnoni [aut],
  Dylan Childs [aut],
  Sanne Evers [aut],
  Roberto Salguero-Gomez [aut],
  Tiffany Knight [aut],
  Eric Scott [ctb]

Jifan Wang [aut, cre, cph] (<https://orcid.org/0000-0001-9720-8913>),
  Kathryn Barger [aut, cph]

Dr. Jean-Benoit Rossel, Prof. Valentin Rousson, Dr. Yves Eggli

Andrea Peters [aut],
  Torsten Hothorn [aut, cre],
  Brian D. Ripley [ctb],
  Terry Therneau [ctb],
  Beth Atkinson [ctb]

Junwei Han [aut, cre, ctb],
  Yinchun Su [aut],
  Siyuan Li [aut]

Christoph Heibl [aut, cre],
  Natalie Cusimano [aut],
  Franz-Sebastian Krah [aut]

Murray Efford [aut, cre] (<https://orcid.org/0000-0001-5231-5184>)