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California Condors in the Pacific Northwest /
"The authors study the evolution and life history of the California Condor, its historical distribution, the reasons for its decline, and their hopes for its reintroduction in the Pacific Northwest"--
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| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Corvallis, OR :
Oregon State University Press,
2013.
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| Colección: | Book collections on Project MUSE.
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| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Background
- Evolution and life history of the California condor
- A brief history of the condor recovery program
- Bringing condors back to the Pacific Northwest: the birth of an idea
- 2. Historical distribution of California condors: a review of the evidence
- Prehistoric distribution and Pleistocene range contraction
- The archaeological and paleontological record
- California condors in Pacific Northwest Native American culture
- Observation and collection of California condors by naturalists, explorers, and settlers
- Summary of historical distribution
- 3. Historical movement patterns
- Evolution of migration in vultures of the world
- Modern California condor movement studies
- Seasonality of occurrence records in the Pacific Northwest
- Summary of historical movement patterns
- 4. Timing and causes of the condor's range collapse
- Population decline
- Secondary poisoning
- Lead poisoning
- DDT, DDE, and eggshell thinning
- Collecting and shooting
- Egg collecting
- Loss of nesting habitat
- Native American ritual killings
- Food increases in central and southern California
- Reductions in food availability
- Salmon
- Whales
- Seals and sea lions
- Native ungulates
- Summary of changes to the condor's food supply
- Summary of the plausible causes of extinction in the Pacific Northwest
- 5. Summary and future outlook
- Reintroductions: challenges and opportunities.