Endangered species

Libro rojo de las plantas endémicas del Ecuador

2000 Valencia, Renato | Pitman, Nigel | León-Yánez, Susana | Jorgensen, Peter M. | Kakabadse, Yolanda |

Libro rojo de mamíferos y aves amenazados de la Argentina

1997 Garcia Fernández, Javier | Ojeda, Ricardo A. | Fraga, Rosendo M. | Diaz, Gabriela B. | Díaz, Gabriela B. | Baigún, Román J. |

Threatened birds of the world : the official source for birds on the IUCN Red List

2000 Stattersfield, A. J. | Capper, David R. |

An overview of the conservation of non-marine invertebrates in Australia

1997 Yen, Alan L. | Butcher, Rhonda J. |

The black robin : saving the world's most endangered bird

1992 Butler, David | Merton, Don |

De leeuw : de onafwendbare ondergang van de wilde leeuw

2000 Voous, K. H. |

Precious heritage : the status of biodiversity in the United States

2000 Stein, Bruce A. | Kutner, Lynn S. | Adams, Jonathan S. |

The Amur tiger in Russia : an annotated bibliography 1925-1997

1998 Matyushkin, E. N. |
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