Tordalk

Alca torda, Razorbill

Tordalk (Alca torda) auf der norwegischen Insel  Hornøy.
Tordalk (Alca torda), Varanger/Norwegen - 6/2011

Quelle und Links

  • del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.) (2014). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from http://www.hbw.com/ on 30 October 2018).
  • Karte: San Jose, 1 April 2007, adapted by Chumwa, 6 May 2008 [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons