Survey of wintering Whooper Swans Cygnus cygnus in January 2015, and habitat shifts 1995 - 2015.
As wintering Whooper Swans Cygnus cygnus have shiftedtheir winter feeding habitats from water to terrestrialones, the International Waterfowl Counts, covering onlycoastal and lake sites since its start in 1967, cannot monitortrue population change. Therefore, special surveyscovering also the terrest...
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| Format: | Article in Journal/Newspaper |
| Language: | English |
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Sveriges Ornitologiska Förening
2016
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| Subjects: | |
| Online Access: | https://lup.lub.lu.se/record/708238bd-f7b7-4663-84ed-957eabcd2d0a |
| Summary: | As wintering Whooper Swans Cygnus cygnus have shiftedtheir winter feeding habitats from water to terrestrialones, the International Waterfowl Counts, covering onlycoastal and lake sites since its start in 1967, cannot monitortrue population change. Therefore, special surveyscovering also the terrestrial habitats have been organizedin mainland NW Europe every ive years since 1995. InJanuary 2015, about 12 000 Whooper Swans were recordedin Sweden, an increase from 7400 in 1995. Onthe national scale the use of terrestrial habitats shiftedfrom about 30% in 1995 to about 80% in 2015. This shiftcame irst in the southernmost province of Scania where |
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