Colorful songbirds metabolize carotenoids at the integument

Agriculture & Biology

• songbirds 84%
• integument 76%
• carotenoids 61%
• feathers 41%
• pigments 24%
• beak 19%
• metabolism 14%
• Carduelis 12%
• immunostimulants 10%
• tissues 10%
• vitamin A 8%
• pigmentation 8%
• blood flow 7%
• active sites 7%
• animals 6%
• manufacturing 6%
• metabolites 5%
• antioxidants 5%
• birds 4%
• liver 4%
• color 4%
• lipids 4%
• enzymes 3%
• testing 3%

Earth & Environmental Sciences

• songbird 100%
• carotenoid 89%
• feather 49%
• pigment 31%
• metabolism 20%
• tissue 17%
• retinol 11%
• passerine 11%
• animal 10%
• antioxidant 8%
• metabolite 7%
• lipid 6%
• bird 6%
• enzyme 6%
• family 5%
• test 3%