Vision in Birds

  • R. H. Smythe


In a number of their species, birds possess a very highly developed visual sense combined with the ability to recognise colour. They even make use of this as a means of sex recognition, although in the avian world it is the male that enjoys the thrills associated with personal adornment. Not only do birds recognise the sex of their associates by the colour of their plumes but they also recognise their enemies and rivals. Fortunately, in birds fashions do not change, and in this respect when distinguishing between the sexes they have the advantage over mere man.


Migration Retina Tame 


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Copyright information

© R. H. Smythe 1975

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  • R. H. Smythe

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