By Derek A. Scott, Paul Rose
This paintings discusses for sixty three species the reason for dealing with the Anatidae of Africa and Western Eurasia at a flyway point. for every species, the main applicable flyway barriers are mentioned and plotted on maps. Maps additionally express all strength and real key-sites, and breeding levels for migratory species. Key-sites also are awarded in desk shape, with justification for all flyway inhabitants estimate and boundary alterations.
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Extra info for Atlas of Anatidae Populations in Africa and Western Eurasia (Wetlands International Publication)
For the larger eastern and southern Africa population it is possible that many key sites remain to be found. Currently, Kuti Ponds in Malawi is the only key site known, and this has held large numbers in two of the last three years. 36 WHITE-HEADED DUCK Oxyura leucocephala Subspecies: Monotypic. Distribution: Palearctic; a threatened species with a highly fragmented breeding distribution from southwest Europe and northwest Africa to central Asia (from 25°N to 60°N and from 10°W to 100°E); currently known to breed only in Spain, Algeria, Tunisia, Romania (irregularly), Turkey, Syria, Iran, Afghanistan, Uzbekistan, Kazakhstan, Turkmenistan, Mongolia and Russia, and probably also in northwest China.
This ‘discreteness’ may be a recent phenomenon resulting from range contraction and fragmentation. Further east, where the species undertakes much longer migrations, the presence of discrete subpopulations is less clear. The small population of about 300 to 500 birds in southwestern Iran appears to be largely sedentary, the birds concentrating at a few large wetlands in winter, and dispersing to smaller wetlands in the southern Zagros Mountains to breed. This group has traditionally been included within the main Southwest Asian population, and this approach is adopted here, although treatment as a separate population may be more appropriate.
None have been recorded during the waterfowl censuses in Madagascar in recent years with the exception of 1995 (as yet unpublished) when 332 were counted. Habitat/ecology: The species frequents quiet waters of lakes and ponds with abundant screening vegetation, from the lowlands up to 3,000 m (in East Africa). g. parts of Zimbabwe, it has occupied dams and stock ponds in farming areas. It is usually found in pairs or small groups. When not breeding, it congregates in groups of usually 20–100 individuals.
Atlas of Anatidae Populations in Africa and Western Eurasia (Wetlands International Publication) by Derek A. Scott, Paul Rose