Double-crested cormorants (Phalacrocorax auritus) of Leech Lake, Minnesota: Temporal variation of diets and assessment of differential prey selection in adults

Agriculture & Biology

• Phalacrocorax auritus 95%
• Phalacrocorax 82%
• Hirudinea 78%
• temporal variation 66%
• lakes 51%
• chicks 50%
• Perca flavescens 49%
• biomass 32%
• diet 32%
• Notropis 28%
• Coregonus 25%
• Sterna hirundo 13%
• die-off 12%
• Sander vitreus 12%
• Great Lakes 11%
• culling (animals) 10%
• Laridae 10%
• stomach 7%
• summer 5%
• fish 5%

Earth & Environmental Sciences

• prey selection 100%
• leech 93%
• diet 54%
• temporal variation 52%
• lake 36%
• biomass 32%
• culling 12%
• stomach content 11%
• population decline 10%
• warming 6%
• fish 5%
• summer 5%
• product 4%