Geographic variation in sex ratios of wintering American kestrels Falco sparverius

Earth & Environmental Sciences

• breeding site 85%
• sex ratio 82%
• geographical variation 79%
• dimorphism 48%
• migratory bird 44%
• winter 40%
• arrival time 36%
• body size 34%
• breeding 33%
• bird 27%
• climate 17%

Agriculture & Biology

• Falco sparverius 100%
• geographical variation 72%
• sex ratio 60%
• gender 40%
• social dominance 30%
• falcons 28%
• breeding sites 21%
• winter 14%
• migratory birds 13%
• dimorphism 12%
• sexual selection 11%
• body size 9%
• climate 8%
• birds 6%
• breeding 6%

Medicine & Life Sciences

• Breeding 77%
• Sex Ratio 76%
• Birds 47%
• Body Size 25%
• Climate 25%
• Sex Characteristics 20%