translate English to French: Based on over 100 hours of behavioural sampling, the four species of sea ducks spent in excess of 60% of daylight hours in feeding activities.
Selon un Ã©chantillonnage de plus d'une centaine d'heures, les quatre espÃ¨ces de canards de mer consacraient plus de 60 p. 100 des heures de clartÃ© Ã des activitÃ©s d'alimentation.