Floris van Breugel / Black-billed shrike-tyrant (Agriornis montanus) in the snow with Mount Fitz Roy visible beyond. Patagonia, Argentina, June 2014.

Floris van Breugel / Black-billed shrike-tyrant (Agriornis montanus) perched in snowy tree with Mount Fitz Roy visible beyond. Patagonia, Argentina, June 2014. Awarded in Land category, Wildlife Photographer of the Year 2...

Doug Wechsler / Black-billed shrike-tyrant (Agriornis montanus) with nest material; Antisanilla Reserve, Ecuador.

Gabriel Rojo / Lesser shrike-tyrant (Agriornis murinus) La Pampa-Argentina

Gabriel Rojo / Lesser Shrike-Tyrant (Agriornis murinus) La Pampa, Argentina

Murray Cooper / Black-billed Shrike-Tyrant (Agriornis montana), Andes, Ecuador

Gabriel Rojo / Grey bellied shrike-tyrant (Agriornis microptera) on twig, Ria de Puerto Deseado Nature Reserve, Santa Cruz Province, Patagonia, Argentina, December

Freya Short / Great shrike tyrant {Agriornis lividus} feeding on a Guanaco (Lama guanicoe) carcass, Torres del Paine National Park, Chile

Agustin Esmoris / Great Shrike-Tyrant (Agriornis livida), San Carlos de Bariloche, Argentina

Gabriel Rojo / Great shrike-tyrant {Agriornis livida} Valdez Patagonia Argentina

Gabriel Rojo / Black-billed shrike-tyrant (Agriornis montanus) perched on lichen covered rock, Quebrada del Condorito National Park, Cordoba Province, Argentina.

Glenn Bartley/ BIA / Black-billed Shrike-Tyrant (Agriornis montana), Andes, Ecuador