Link to English Wikipedia entry: Ruff
Link to German Wikipedia: Kampfläufer
Link to French Wikipedia: Combattant varié
Link to EOL.org: Calidris pugnax
Link to iNaturalist.org: Calidris pugnax
Links to my pictures: Ruff
Binomial Links for Calidris pugnax on www.guenther-eichhorn.com
Dr. Günther Eichhorn Travel Website
Soaring website