Seasonal reproductive pattern of white-winged crossbills in interior Alaska

Agriculture & Biology

• Loxia 100%
• food availability 57%
• birds 51%
• Leucoptera 46%
• photoperiod 45%
• nests 22%
• ambient temperature 21%
• Biological Sciences 20%
• breeds 20%
• summer 18%
• environmental factors 18%
• breeding 17%

Earth & Environmental Sciences

• photoperiod 77%
• food availability 66%
• bird 47%
• reproductive biology 41%
• reproductive cycle 39%
• bird species 31%
• nest 31%
• breeding 28%
• environmental factor 23%
• summer 16%
• temperature 10%