Food intake rates and habitat segregation of tufted duck Aythya fuligula scaup Aythya marila exploiting zebra mussels Dreissena Polymorpha

Agriculture & Biology

• Aythya 100%
• Dreissena polymorpha 94%
• mussels 69%
• ducks 68%
• food intake 61%
• habitats 39%
• shell (molluscs) 17%
• food storage 10%
• wintering grounds 10%
• gizzard 10%
• esophagus 9%
• food processing 9%
• Netherlands 8%
• lakes 7%
• digestive system 6%
• foraging 6%
• nutritive value 6%
• water content 6%
• winter 5%
• birds 5%
• energy 5%
• water 3%

Earth & Environmental Sciences

• food intake 92%
• diving 46%
• habitat 42%
• rate 22%
• shell 21%
• feeding ground 19%
• food processing 16%
• body mass 15%
• bird 11%
• water content 10%
• consumption 9%
• Europe 9%
• food 9%
• winter 8%
• lake 7%
• cost 7%
• energy 6%
• experiment 5%
• water 4%