Luiz Claudio Marigo / Spot backed puffbird {Nystalus maculatus} Caatina, Brazil

Oscar Dewhurst / Black-fronted nunbird (Monasa nigrifrons) feeding on katydid in rainforest clearing. Madre de Dios, Peru. April

Bernard Castelein / Black-fronted nunbird ( Monasa nigrifrons), Pampas del Yacuma Protected Area, Bolivia

Bernard Castelein / Black-fronted nunbird ( Monasa nigrifrons), Pampas del Yacuma Protected Area, Bolivia

Glenn Bartley/ BIA / Barred Puffbird (Nystalus radiatus), Andes, Colombia

Nick Hawkins / White-necked puffbird (Notharchus hyperrhynchus) perched on branch, Nicoya Peninsula, Costa Rica. January.

Sean Crane / White-whiskered Puffbird (Malacoptila panamensis), Soberania National Park, Panama

Konrad Wothe / Black-fronted nunbird (Monasa nigrifrons) drying its wings after a rain shower, Panguana Reserve, Huanuco Region, Peru.

Cyril Ruoso / White-whiskered puffbird (Malacoptila panamensis) tropical rainforest. Barro Colorado Island, Gatun Lake, Panama Canal, Panama.

Nick Garbutt / Barred Puffbird (Nystalus radiatus) perched in rainforest canopy, Rio Claro Reserve, Magdalena Valley, Colombia, South America.

Luiz Claudio Marigo / Black-fronted Nunbird (Monasa nigrifrons) Pantanal, Brazil.

Ben Cranke / Black-fronted Nunbird (Monasa nigrifrons) perched on a tree branch, Mato Grosso, Pantanal, Brazil. July.