
this american robin’s unusual speckled plumage is due to partial leucism, a genetic mutation that results in a lack of pigmentation.
source: (x)

this american robin’s unusual speckled plumage is due to partial leucism, a genetic mutation that results in a lack of pigmentation.
source: (x)


while this bird may look unfamiliar at first, it is a very common american robin – with leucism. leucism is a lack of pigmentation, and can effect the whole body or certain areas like on this bird.
source: (x)