Birds

Prairie ducks : a study of their behavior, ecology and management

1955 Sowls, Lyle K. |

Ducks, geese and swans of North America

1978 Bellrose, Frank C. | Kortright, Francis H. |

The hawks of North America : their field identification and feeding habits

1935 May, John Bichard |

The illustrated encyclopedia of American birds

1944 Hausman, Leon Augustus |

Birds in peril : a guide to the endangered birds of Canada and the United States

1977 Mackenzie, John P. S. |

A field guide to western birds : field marks of all species found in North America west of the 100th meridian, with a secion on the birds of the Hawaiian Islands

1961 Peterson, Roger Tory |

Hummingbirds and their flowers

1968 Grant, Karen A. | Grant, Verne |

Birds of New York State

1974 Bull, John |

Birds : 129 birds in full color : a guide to the most familiar American birds

1956 Zim, Herbert S. (Herbert Spencer) | Gabrielson, Ira Noel |
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