Sökning: "Olle Håstad"
Hittade 1 avhandling innehållade orden Olle Håstad.
1. Plumage Colours and the Eye of the Beholder : The Ecology of Colour and its Perception in Birds
Sammanfattning : Virtually all diurnal birds have tetrachomatic vision based on four different colour receptors. As a result, birds are potentially able to perceive their environment in twice as many colours as humans and four times as many colours compared to most other mammals, which are dichromatic. LÄS MER
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