tag:blogger.com,1999:blog-849402373517742206.post4970161324591496345..comments2024-03-15T03:29:19.010-05:00Comments on World Bird Sanctuary: Rio The Gentle GiantWorld Bird Sanctuaryhttp://www.blogger.com/profile/11486246317469409527noreply@blogger.comBlogger2125tag:blogger.com,1999:blog-849402373517742206.post-8851489657541631162014-04-29T15:46:18.157-05:002014-04-29T15:46:18.157-05:00Donald, thank you for your explanation of the extr...Donald, thank you for your explanation of the extraordinary vision possessed by Macaws. I believe that their ability to see the UV spectrum is what Lisbeth referred to but chose not to go into for the sake of brevity in her blog. They are indeed amazing animals.Photoghttps://www.blogger.com/profile/02757526581200211637noreply@blogger.comtag:blogger.com,1999:blog-849402373517742206.post-42268284906563294052014-04-28T16:38:54.134-05:002014-04-28T16:38:54.134-05:00Yes green wings can see colour. However I would li...Yes green wings can see colour. However I would like to point out they see a much wider range of colour than we mammals. Parrots have four rods one of which is bifurcated. In effect this gives them five rods to our three. They see into the UV spectrum. If you live with parrots and are observant you will realize their view through glass is not obstructed by reflections as ours. D.D. is.Donald W.E. DAVISnoreply@blogger.com