Thanks - exposing my ignorance further - do different colour morphs
On 23/02/07, L&L Knight <> wrote:
Consider the Eastern Reef Egrets and Grey Goshawks that both have grey
and white morphs. Similarly, many sea birds have pale, intermediate
and dark morphs.
It's a bit like people having different hair, skin and eye colours. I
think we place too much emphasis on bird plumage, which is why we get
so thrown by immature, moulting and leucoplastic birds. Just a bit of
different colour can get us thinking we are seeing a different species
On Friday, February 23, 2007, at 02:30 PM, Dave Torr wrote:
> Maybe I'm missing something (and I'm no expert on DNA!). The reference
> on "splits" shows a number of what I have always thought of as "good"
> species anyway, with no indication of what they have been split from
> (or what has been split from them).
> And the DNA lumps shows Blue-winged Teal and Cinnamon Teal to be 100%
> similar - yet visually at least they are very different...... Since as
> a "layman" I assumed DNA controlled the appearance of an animal how
> can this be the case?
> Please excuse the ignorance but I would love someone to explain in
> simple terms.....
> < DNA splits >
> Unique DNA barcodes for provisional new bird species were obtained from
> these look-alike specimens.
> < DNA lumps>
> These groups of bird species were shown to have virtually identical
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