Browsing by Author "Hood, Wendy"

Songbirds with extensive, carotenoid-based plumage tend to maintain high levels of circulating carotenoids in plasma, which could represent a potential tradeoff between maintaining brightness at the expense of carotenoid-related ...

Carotenoids are the most common source of yellow, orange and red coloration in birds. However, like other vertebrates, birds cannot synthesize carotenoids de novo. To produce carotenoid-based coloration they must ingest ...