kimerajamm
Joined: 28 Nov 2010 Posts: 785
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Posted: Mon Apr 25, 2011 2:01 pm Post subject: extends into this part |
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Both sexes moult in autumn after breeding, with males assuming an eclipse non-breeding plumage. They will moult again into nuptial plumage in winter or spring.[3] Body feathers are replaced at both moults while wing and tail feathers are in spring only, though the latter may be replaced at any time if damaged or worn.[20] The blue coloured plumage, particularly the ear-coverts, of the breeding males is highly iridescent due to the flattened and twisted surface of the barbules.[21] The blue plumage also reflects ultraviolet light strongly, and so may be even more prominent to other fairywrens, whose colour vision extends into this part of the spectrum.[22]
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