Texte disponible pour l'instant uniquement en anglais.
- Longueur
- 27–32 cm
- Envergure
- 80–87 cm
- Poids
- 190 g
Présence dans le détroit
Accidental. Two young birds on 28.02.89 at Los Lances beach.
Identification
Very similar to a Kittiwake but smaller and with a notched tail. In winter adults have a blackish nape and hindneck, black bill with yellow tip and white tail. In flight, black primaries, white secondaries forming a triangle with the apex of the wing-bend, and grey coverts, mantle and back. Juveniles have dull-grey scaled upperparts, plain dull-grey crown, ear coverts and breast-sides, and a dusky-black bill; in flight, like adults but with a black terminal tail-band. They breed in Siberia and North America. Laridae Gaviota Cana juv.1º inv ad.W Gaviota Tridáctila juv.1º inv ad.W
Texte éditorial de Bioestrecho. Dernière révision : 8 septembre 2026.
Galerie
russnamitz, CC0 · 2023
russnamitz, CC0 · 2023
russnamitz, CC0 · 2023
russnamitz, CC0 · 2023
James M. Maley, CC BY · 2017
Thibaud Aronson, CC BY-SA · 2019