En cours de chargement...
En cours de chargement...
David Hodkinson

Bewick’s Swan C. columbianus bewickii breeds near lakes and rivers on tundras of northern Russia. Breeding population in Europe estimated at 5,000-6,000 pairs, trend fluctuating. Winters UK, Belgium, Netherlands and northern Germany where inhabiting marshes, rivers, lakes, ponds and tidal areas with adjacent grasslands or agricultural arable fields. Diet consists of aquatic plants, grasses, sedges and reeds. During winter also grain and leftovers of potatoes and sugar beet. In spring, migrates through narrow corridor to Russian breeding areas using stop-over sites in Baltic and around White Sea.

Season of assessment

W

Population trendDecreasing
Population size
(min-max, best estimate)
11700-23500,14600
Red List categoryVU
Franks, S., Fiedler, W., Arizaga, J., Jiguet, F., Nikolov, B., van der Jeugd, Ambrosini, R, Aizpurua, O., Bairlein, F., Clark, J., Fattorini, N, Hammond, M., Higgins, D, Levering, H., Skellorn, W., Spina, F, Thorup, K. Walker, J., Woodward, I. and Baillie, S.R. (1) (2022) Online Atlas of the movements of European bird populations. https://migrationatlas.org EURING/CMS (1) Principal investigator
Nombre de données Nombre d'individus Nombre de contrôles
Données cartographiées*
Données totales disponibles
*Données cartographiées avec des contrôles >= à 50 km