Pastāsti draugiem par šo preci:
Evolutionary Differentiation in Morphology, Vocalizations, and Allozymes Among Nomadic Sibling Species in the North American Red Crossbill (Loxia curvirostra) Complex - UC Publications in Zoology Jeffrey G. Groth
Evolutionary Differentiation in Morphology, Vocalizations, and Allozymes Among Nomadic Sibling Species in the North American Red Crossbill (Loxia curvirostra) Complex - UC Publications in Zoology
Jeffrey G. Groth
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.
156 pages, Illustrations, maps
| Mediji | Grāmatas Paperback Book (Grāmata ar mīksto vāku un līmēto muguru) |
| Izlaists | 1993. gada 16. augusts |
| ISBN13 | 9780520097827 |
| Izdevēji | University of California Press |
| Lapas | 156 |
| Izmēri | 177 × 253 × 12 mm · 306 g |
Ziemassvētku dāvanas var atgriezt līdz 31. janvārim