Geographic variation in the plumage coloration of willow flycatchers Empidonax traillii

Agriculture & Biology

• Empidonax traillii 100%
• willows 60%
• plumage 59%
• geographical variation 57%
• color 31%
• colorimetry 11%
• breeding sites 8%
• electronics 8%
• Colorado River 6%
• Mexico 3%
• birds 2%
• breeding 2%
• methodology 1%

Earth & Environmental Sciences

• plumage 82%
• geographical variation 64%
• subspecies 63%
• breeding site 11%
• electronics 7%
• bird species 4%
• breeding 4%
• connectivity 3%
• river 2%
• method 0%