Jim Brandenburg / Snow Goose (Chen caerulescens) flock flying in formation during migration, with individuals of both color phases, California

Glenn Bartley / Golden-collared Tanager (Iridosornis jelskii), Wayqecha Cloud Forest Biological Reserve, Peru

Glenn Bartley / Grass-green Tanager (Chlorornis riefferii), Wayqecha Cloud Forest Biological Reserve, Peru

Glenn Bartley / Golden-collared Tanager (Iridosornis jelskii), Wayqecha Cloud Forest Biological Reserve, Peru

Glenn Bartley / Hooded Mountain-Tanager (Buthraupis montana), Wayqecha Cloud Forest Biological Reserve, Peru

Maxime Aliaga / Golden-collared tanager (IriIridosornis jelskii) feeding in Peruvian cloud forest. Wayqecha Biological Research Station, Manu National Park, Peru.

Maxime Aliaga / Hooded mountain tanager (Buthraupis montana) perched on branch. Wayqecha Biological Research Station, Manu National Park, Peru.

Maxime Aliaga / Landscape of Manu road within Amazon cloud forest. Wayqecha Biological Research Station, Manu National Park, Peru.

Maxime Aliaga / Landscape of Manu road within Amazon cloud forest. Wayqecha Biological Research Station, Manu National Park, Peru.

Maxime Aliaga / Landscape of Manu road within Amazon cloud forest. Wayqecha Biological Research Station, Manu National Park, Peru.