Cyril Ruoso / Pygmy kingfisher (Ceyx picta) portrait, Cross River State, Nigeria. Non-ex

David Pattyn / Madagascar pygmy kingfisher (Corythornis madagascariensis) at night. Masoala National Park, Bay of Angotil, North eastern Madagascar.

David Pattyn / Madagascar pygmy kingfisher (Corythornis madagascariensis) feeding, with beak covered in dirt, Masoala National Park, Bay of Angotil, North eastern Madagascar.

Chien Lee / Madagascar Pygmy Kingfisher (Ceyx madagascariensis), Tsingy de Bemaraha National Park, Madagascar

Chien Lee / Madagascar Pygmy Kingfisher (Ceyx madagascariensis), Tsingy de Bemaraha National Park, Madagascar

Hermann Brehm / American Pygmy Kingfisher (Chloroceryle aenea) Pantanal, Brazil.

Bernard Castelein / Madagascar. pygmy kingfisher (Ispidina Madagascar.iensis) perched, Vohimana Reserve, Madagascar.

Bernard Castelein / Madagascar. pygmy kingfisher (Ispidina Madagascar.iensis) perched, Vohimana Reserve, Madagascar.

Sebastian Kennerknecht / African Pygmy Kingfisher (Ispidina picta), Lope National Park, Gabon

Cyril Ruoso / African Pygmy Kingfisher (Ispidina picta) portrait, Cross River State, Nigeria

Murray Cooper / American Pygmy Kingfisher (Chloroceryle aenea) male, Ecuador

Luiz Claudio Marigo / American pygmy kingfisher (Chloroceryle aenea) perched, Cristalino River, Cristalino Jungle Lodge, Alta Floresta, Amazon Rainforest, Mato Grosso State, Brazil.