A Rusty Blackbird male (Euphagus carolinus), sings from the top of a willow in a wetland in the boreal forest near Fairbanks, Alaska.
A Rusty Blackbird male (Euphagus carolinus), sings from the top of a willow in a wetland in the boreal forest near Fairbanks, Alaska.
A male Pectoral Sandpiper (Calidris melanotos), perches atop a tussock on coastal plain of the Arctic National Wildlife Refuge, Alaska.
A male Pectoral Sandpiper (Trtngites subruficollis), displays on the tundra of the Canning River Delta on the coastal plain of the Arctic National Wildlife Refuge, Alaska.
Green Violet-ear (Colibri thalassinus) in the highlands of eastern Panama near the town of Boquete.
Bar-winged Cinclodes (Cinclodes fuscus) on Taquile Island, Lake Titicaca, Peru.
Chiguanco Thrush (Turdus chiguanco) on Taquile Island, Lake Titicaca, Peru.
Cinereous Conebill (Conirostrum cinereum) on Taquile Island, Lake Titicaca, Peru.
Mourning Sierra-Finch, male (Phrygilus fruticeti) on Taquile Island, Lake Titicaca, Peru.
Mourning Sierra-Finch, female (Phrygilus fruticeti) on Taquile Island, Lake Titicaca, Peru.
A female Long-tailed Duck (Clangula hyemalis) sits in a small tundra pond on the coastal plain of the Arctic National Wildlife Refuge, Alaska.