Yellow-billed Loon
(Non-breeding Plumage)
(Non-breeding Plumage)
(Gavia adamsii)
This Yellow-billed Loon was being harassed by a Common Loon. Both are unusual in Colorado.
Colorado, December 2014(Gavia adamsii)
This Yellow-billed Loon was being harassed by a Common Loon. Both are unusual in Colorado.
Colorado, December 2014