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Ultraviolet reflectance influences female preference for colourful males in the...
Leitão, Ana V.; Monteiro, Anabela H.; Mota, Paulo G.Avian plumage colouration is one of the most impressive displays in nature and is frequently used as sexual signal. There is now considerable evidence that females consistently prefer males with the most elaborated colour displays. Bird colour vision expands into the ultraviolet (UV) range, which prompted several studies to test the importance of UV in mate choice, revealing that females are affected by the UV ...
Why are human newborns so fat? Relationship between fatness and brain size at b...
Correia, Hamilton R.; Balseiro, Sandra C.; Correia, Elisabete R.; Mota, Paulo G.; Areia, Manuel L. DeThe plumpness of the human newborn has long been recognized as a trait in need of explanation among researchers. Using a linear regression analysis, we find that head circumference is significantly and positively associated with BMI at birth, after gestational age and birthlength were controlled for, in a sample of 1,069 healthy liveborn routinely delivered at the University Hospital of Coimbra (partial correla...
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