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population studies
3
populationsstudier
inventering
2
monitoring
2
survey
2
Anatidae
1
Charadriidae
1
bird of prey
1
breeding biology
1
breeding success
1
conservation
1
habitat selection
1
habitatval
1
hotad
1
häckningsbiologi
1
häckningsframgång
1
naturvård
1
raptor
1
rovfågel
1
threatened
1
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