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

David Tipling / Black-fronted Nunbird (Monasa nigifrons) Iquitos, Amazon, Peru

David Tipling / Black-fronted Nunbird (Monasa nigifrons) Iquitos, Amazon, Peru

Luiz Claudio Marigo / Swallow wing(Chelidoptera tenebrosa) standing on ground, lowland Atlantic Rainforest, Estao Veracel Natural Private Heritage Reserve (RPPN Estao Veracel) municipality of Porto Seguro, Southern Bahia S...

Luiz Claudio Marigo / Swallow wing(Chelidoptera tenebrosa) with insect in the beak, Campo Nativo ecosystem (Native Field) of Vale Natural Reserve, municipality of Linhares, Esparito Santo State, Eastern Brazil.

Luiz Claudio Marigo / Swallow wing(Chelidoptera tenebrosa) feeding the chick in the nest in the ecosystem Campo Nativo (Native Field) of Vale Natural Reserve, municipality of Linhares, Esparito Santo State, Eastern Brazil.

Roland Seitre / White-whiskered Puffbird (Malacoptila panamensis). Gamboa, Panama city region, Canal rainforest, Panama.

Kevin Schafer / Black-fronted Nunbird (Monasa nigrifrons) perched on a branch. Rio Negro, Amazon, Brazil.

Kevin Schafer / Black-fronted Nunbird (Monasa nigrifrons) perched on a branch. Rio Negro, Amazon, Brazil.

Pete Oxford / Black-fronted nunbird {Monasa nigrifrons} perching on branch, Amazon, Peru.

Pete Oxford / Spot-backed puffbird {Nystalus maculatus} Caatinga, Brazil.

Luiz Claudio Marigo / Rufous-necked puffbird {Malacoptila rufa} tropical rainforest, Brazil