A review of the biology and conservation of the great blue heron (Ardea herodias) in British Columbia / Robert W. Butler. : CW69-5/154E-PDF
"The Great Blue Heron (Ardea herodias) breeds from southern Canada to Central America and on the Galapagos Islands (Butler 1992). In British Columbia these herons breed along the entire coast and in southern interior valleys at least as far north as 52°N"--Introd.
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| Ministère/Organisme | Canada. Environment Canada. Canadian Wildlife Service. Pacific and Yukon Region. |
|---|---|
| Titre | A review of the biology and conservation of the great blue heron (Ardea herodias) in British Columbia / Robert W. Butler. |
| Titre de la série | Technical report series ; no. 154 |
| Type de publication | Série - Voir l'enregistrement principal |
| Langue | [Anglais] |
| Format | Électronique |
| Document électronique | |
| Note(s) | Digitized edition from print [produced by Environment and Climate Change Canada]. Includes bibliographical references (p. 13-16). |
| Information sur la publication | Delta, B.C. : Canadian Wildlife Service, Pacific and Yukon Region, 1991. |
| Auteur / Contributeur | Butler, Robert William. |
| Description | 16 p. : map, chart. |
| Numéro de catalogue |
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| Descripteurs | Aquatic birds Population Nature conservation Great blue heron |