Contributeur
Date
Site d'observation
Waneka Lake/Greenlee Preserve
Boulder, Colorado, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
Commentaires
Thayer's Gull (left) with Herring Gull. Note dark eye, relatively dark mantle, and charcoal-gray primaries with extensive white spotting. Waneka Lake, Boulder County, Colorado, USA; Feb. 16, 2016.
Détails de l'observation
1 first-cycle and 1-2 (probably 2, but I'm not sure if it wasn't just 1 individual moving around a lot) adult.
Informations techniques
- Taille originale du fichier
- 1.09 MB