Topic on Talk:Sparrow (usability testing)

BanjoDog (talkcontribs)

There are some newer studies that suggest that feather color in birds evolved over time to match the plant species that they were living amongst. This study also talks about how birds view colors and it links the visual aspect of birds and how they visually adsorb color.

I found an interesting study where they found that plumage was also associated with nest height and geographical area.

Something that could be added to the plumage section is that some studies have shown that barred pattern in feathers is more common in females than males and is mostly used for camouflage, while mottled feathers were found to be most used in signaling.

DannyH (WMF) (talkcontribs)

I'm agree with your caution due to the fact the probably you can't find an on-line version of the above mentioned paper. Besides I'm sure it is not a problem concerning a german reference... I've got one copy sent me directly by the author, that I used for my Ph.D. thesis. You can find evidence of this theory in a more recent paper http://icb.oxfordjournals.org/content/40/4/478.full published by Oxford University Press.

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