Owls are nocturnal and have poorer color vision than their diurnal counterparts like harks or eagles. The reason bluebirds, blue jays, blue herons, blue parrots & all sorts of other blue-plumaged birds attract mates with their blue feathers is because birds CAN see blue.
Which colourful bird found across Afro-Eurasia, notable for its distinctive 'crown' of feathers, the only species left in the family Upupidae?
Which bird, that breeds in northern Europe in pine and beech forests, has a chestnut brown back, grey head, dark tail, buff breast and a striped black throat?
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