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

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

Konrad Wothe / Black-fronted Nunbird (Monasa nigrifrons), Panguana Nature Reserve, Peru

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.

Luiz Claudio Marigo / Black-fronted Nunbird (Monasa nigrifrons) perched on branch on the margin of Piquiri River Pantanal, Mato Grosso State, Western Brazil.

Glenn Bartley / Black-fronted Nunbird (Monasa nigrifrons), Ecuador

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

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

Konrad Wothe / Black-fronted Nunbird (Monasa nigrifrons) calling, Tambopata River, Tambopata National Reserve, Peru