Contributeur
Carl Lundblad Fichiers multimédias de ce contributeur Profil
Date
Site d'observation
Bear River MBR--Auto Tour Loop
Box Elder, Utah, United States
Fichiers multimédias de cet endroit Liste illustrée- Âge
- Non précisé
- Sexe
- Non précisé
Détails de l'observation
Pluvialis plovers, more slender than Black-bellied with relatively smaller heads, thinner necks, and slender bills. Wings extending well beyond tail tip and lots of primary extending beyond tertial tips, but I couldn't count how many. Bold supercillia setting off contrasting dark caps. "Contrasty" gold and dark speckled upper parts. Delayed pre-alternate molt also consistent with this species; Pacific Golden-plover (which I'm not sure we really need to consider) undergo pre-alternate molt early in spring, usually/often prior to migration. Black-bellied Plovers typically molt earlier in the spring, and the several hundred I saw this same morning at AIC were all in alternate plumage.
Informations techniques
- Modèle
- Canon PowerShot SX20 IS
- ISO
- 100
- Longueur focale
- 100 mm
- Flash
- Flash did not fire, auto
- f-stop
- f/5.7
- Vitesse d'obturation
- 1/640 sec
- Dimensions
- 2563 pixels x 1922 pixels
- Taille originale du fichier
- 612.24 KB