Why unique finches keep their heads of many colors
There appears to be an underlying selection mechanism at work among Gouldian finches -- a mechanism that allows this species to produce and maintain individuals with red heads, black heads, and yellow heads.
from Plants & Animals News -- ScienceDaily http://bit.ly/2PpnRIN
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from Plants & Animals News -- ScienceDaily http://bit.ly/2PpnRIN
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