Roland Seitre / Spix's Macaw (Cyanopsitta spixii) male and female pair, portrait, captive, critically endangered species, from Brazil

Roland Seitre / Mauricio dos Santos with a captive bred Spix's macaw (Cyanopsitta spixii), critically endangered species, site of the first attempts to breed Spix's macaw after their extinction in the wild, Recife, P...

Luiz Claudio Marigo / Habitat of Spix's macaw with {Tabebuia caraiba} tree, Bahia, Brazil

Luiz Claudio Marigo / Spix's guan {Penelope jacquacu} River Negro, Amazonas, Brazil

Luiz Claudio Marigo / Spix's guan {Penelope jacquacu} River Negro, Amazonas, Brazil

Luiz Claudio Marigo / Spix's guan {Penelope jacquacu} River Negro, Amazonas, Brazil

Konrad Wothe / Young Spix's white-fronted capuchin monkey (Cebus unicolor) rainforest, Amazon, Brazil.

Lucas Bustamante / Spix's night monkeys (Aotus vociferans) in a tree hole, Yasuni National Park, Orellana, Ecuador

Lucas Bustamante / Spix's guans (Penelope jacquacu) on clay lick, Tambopata National Reserve, Madre de Dios, Peru.

Lucas Bustamante / Spix's Guan (Penelope jacquacu) Tambopata National Reserve, Madre de Dios, Peru.

Lucas Bustamante / Three Spix's night monkeys (Aotus vociferans) looking out of a hole in a tree trunk, Cuyabeno National Park, Sucumbios, Ecuador.

Roland Seitre / Moustached tamarin (Saguinus mystax) captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) calling, captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) sticking tongue out, captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama.a. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) calling captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Moustached tamarin (Saguinus mystax) captive at Jacobo Lacs breeding facilities, Elevage Jacobo Lacs, Colon, Panama. Native to Brazil and Peru.

Roland Seitre / Spix's Macaw (Cyanopsitta spixii) portrait, captive, critically endangered species, from Brazil

Roland Seitre / Spix's Macaw (Cyanopsitta spixii) male and female pair touching beaks, captive, critically endangered species, from Brazil

Roland Seitre / Matthias Reinschmidt, Curator of La Vera Breeding Station at Loro Parque, Tenerife, Canary Islands with a captive bred Spix's macaw (Cyanopsitta spixii)

Roland Seitre / Mauricio and Adriana dos Santos with a captive bred Spix's macaw (Cyanopsitta spixii), critically endangered species, site of the first attempts to breed Spix's macaw after their extinction in the wil...

Roland Seitre / Bird cages at the Ararinha Azul project (Little blue macaw project) Curaca, Bahia, Brazil, for the breeding and ultimate release of captive Spix's macaw (Cyanopsitta spixii) Critically endangered spec...

Roland Seitre / Sign for the Ararinha Azul project (Little blue macaw project) Curaca, Bahia, Brazil, for the breeding and ultimate release of captive Spix's macaw (Cyanopsitta spixii) Critically endangered species

Roland Seitre / Drama group acting out the story of the Critically endangered Spix's macaw (Cyanopsitta spixii) to children near Curaca, Bahia, Brazil, where the last known wild individuals were seen.

Roland Seitre / Children being taught about the Critically endangered Spix's macaw (Cyanopsitta spixii) at a school near Curaca, Bahia, Brazil, where the last known wild individuals were seen.

Roland Seitre / Children being taught about the Critically endangered Spix's macaw (Cyanopsitta spixii) at a school near Curaca, Bahia, Brazil, where the last known wild individuals were seen.

Roland Seitre / Children being taught about the Critically endangered Spix's macaw (Cyanopsitta spixii) at a school near Curaca, Bahia, Brazil, where the last known wild individuals were seen.

Roland Seitre / Wooden sculptures of Spix's macaw (Cyanopsitta spixii) made by Carlos Campinas da Silva, near Curaca, Bahia, Brazil, critically endangered species

Roland Seitre / Wooden sculptures of Spix's macaw (Cyanopsitta spixii) made by Carlos Campinas da Silva, near Curaca, Bahia, Brazil, critically endangered species

Roland Seitre / Spix's macaw (Cyanopsitta spixii) head portrait, Critically Endangered, captive, from Brazil

Roland Seitre / Spix's macaw (Cyanopsitta spixii) two perched, portraits, Critically Endangered, captive, from Brazil

Roland Seitre / Spix's macaw (Cyanopsitta spixii) portrait, Critically Endangered, captive, from Brazil

Luiz Claudio Marigo / Two White-browed / Spix's Guan (Penelope jacquacu) perched on branch in Caatinga vegetation, at Serra da Capivara National Park, municipality of Sao Raimundo Nonato, southeastern Piaua State, northeas...

Luiz Claudio Marigo / Two White-browed / Spix's Guan (Penelope jacquacu) foraging in Caatinga vegetation, at Serra da Capivara National Park, municipality of Sao Raimundo Nonato, southeastern Piaua State, northeastern Braz...

Luiz Claudio Marigo / White-browed / Spix's Guan (Penelope jacquacu) foraging in Caatinga vegetation, at Serra da Capivara National Park, municipality of Sao Raimundo Nonato, southeastern Piaua State, northeastern Brazil....

Luiz Claudio Marigo / Spix's Yellow-toothed cavy (Galea spixii) in its natural habitat, Caatinga vegetation, Serra das Almas Natural Reserve, western Ceara State, northeastern Brazil.

Luiz Claudio Marigo / Spix's macaw, last wild bird {Cyanopsitta spixii} Curaca, Bahia, Brazil

Luiz Claudio Marigo / Spix's macaw, last wild bird {Cyanopsitta spixii} Curaca, Bahia, Brazil

Pete Oxford / Spix's yellow-toothed cavi {Galea spixii} Cerrado, Brazil

Staffan Widstrand / Spix's guan {Penelope jacquacu} Manu NP. Peru

Pete Oxford / Spix's yellow-toothed cavi {Galea spixii} Cerrado, Piaui state, Brazil

Pete Oxford / Spix's guan {Penelope jacquacu} Madre de Dios rainforest, Peru, South America

Dietmar Nill / Spix's round eared bat {Tonatia bidens} close up of penis, captive, Panama

Dietmar Nill / Spix's round eared bat {Tonatia bidens} Panama

Dietmar Nill / Spix's round eared bat (Tonatia bidens) close-up of head. Panama, Central America

Nick Gordon / Spix's macaw - Endangered species, Brazil Amazonia

Pete Oxford / Spix's Disk-winged Bat (Thyroptera tricolor) flying showing discs on feet, Yasuni National Park, Amazon, Ecuador