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Description
A monograph of the Common Eider, a large and familiar duck with a long and fascinating cultural history.
A common sight around the more northerly shores of the British Isles, the Common Eider is the largest duck in the northern hemisphere. The eider is particularly well adapted to cold-water environments; the insulating properties of eider down are iconic.
The species is taxonomically interesting, with a range of well-marked subspecies reflecting the patterns of ice coverage during ancient glaciations, and these ducks have also provided the focus for a number of important behavioural studies, especially on feeding ecology and energy budgets.
Eiders have a long association with humans, and have deep cultural significance in many societies. However, modern lifestyles are exposing these ducks to a wide range of new pressures.
This monograph provides a comprehensive portrait of the Common Eider; authors Chris Waltho and John Coulson bring together an extensive and diverse international literature, with sections on taxonomy, habitats, breeding biology, population dynamics, diet and foraging, dispersal and migration, and conservation.
Table of Contents
Introduction
1. Common Eider - some key features
2. Origins, taxonomy and differentiation
3. Distribution, movements and numbers
4. Food and feeding
5. Predators, parasites and diseases
6. Breeding and breeding season
7. Egg laying, parasitism, 'jumbo clutches' and egg stealing
8. Clutch Size
9. Incubation and Laying Success
10. Nesting with others: Is the Common Eider really a colonial species?
11. Ducklings
12. Mortality, survival and non-breeding
13. Exploitation, management and non-breeding
14. The eiders: comparison between species
Appendix 1: Schematic distribution of the Common Eider and its subspecies
Appendix 2: Important conversation sites for the Common Eider
Appendix 3: Prey species taken by Common Eiders
Appendix 4: Prey dominance in Common Eider diet
Appendix 5: The number of eggs recorded in samples of Common Eider nests on Inner Farne, Northumberland and 1958 to 2011
Appendix 6: Duckling growth
Appendix 7: Scientific names of species mentioned in the text
References
List of illustrations
Product details
| Published | Jan 15 2015 |
|---|---|
| Format | Ebook (PDF) |
| Edition | 1st |
| Extent | 320 |
| ISBN | 9781472920928 |
| Imprint | T & AD Poyser |
| Series | Poyser Monographs |
| Publisher | Bloomsbury Publishing |
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