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Forventes på lager: 16-08-1993
The highly variable North American red crossbill complex has presented one of the most controversial problems in avian systematics. This study suggests that this crossbill complex contains several distinctive sibling species that breed sympatrically and show ecological differences.
| Forlag | University of California Press |
| Forfatter | Jeffrey G. Groth |
| Type | Bog |
| Format | Paperback / softback |
| Sprog | Engelsk |
| Udgivelsesdato | 16-08-1993 |
| Første udgivelsesår | 1993 |
| Serie | UC Publications in Zoology |
| Originalsprog | United States |
| Sideantal | 156 |
| Indbinding | Paperback / softback |
| Forlag | University of California Press |
| Sideoplysninger | 156 pages |
| Mål | 254 x 178 x 8 |
| ISBN-13 / EAN-13 | 9780520097827 |