Orange You Glad You Aren’t A Bird?

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Abstract The wide-ranging adaptations of birds has astounded scientists for many years and the crested auklet (Aethia cristatella) is no exception. Aside from its physical ornamentation and vocalisations, the auklet’s citric plumage-odour is one of its most well-known characteristics. The tangerine-like secretion is used in courtship displays as well as acting as an ectoparasite repellant, […]