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Aerial counts and breeding success monitoring of grey seal, Estonian national...
Aerial and on-land counts of individuals and breeding success estimations (the number of offspring) of grey seal (Halichoerus grypus) recorded during Estonian national... -
Aerial counts and breeding success monitoring of grey seal, Estonian national...
Aerial and on-land counts of individuals and breeding success estimations (the number of offspring) of grey seal (Halichoerus grypus) recorded during Estonian national... -
Kittiwake fledging success, Hornøya 1980-2013
Counts of large black-legged kittiwake chicks in occupied nests towards the end of the breeding season, Hornøya 1980-2013