Some of us would remember the example of Peppered Moth "industrial revolution
evolution" taught in basic biology more than 45 years ago.
http://www.biologylessons.sdsu.edu/cartoons/23_moths.pdf
http://en.wikipedia.org/wiki/Peppered_moth_evolution
At the time we were heading for a looming ice age. We should all be dead by
now.
Regards
Ian May
John Leonard wrote:
It may be that a difference in colour may mean difference in the
likelihood of being mobbed during the day, which exposes the owls to
danger from diurnal raptors if they have to move, or otherwise making
them more stressed and fatigued.
Or it could be that difference in colour produces a difference in
hunting success at dusk and dawn.
John Leonard
On 24 February 2011 10:38, Ian May <> wrote:
What predator would selectively attack grey morph variation in Tawny Owl
(See http://en.wikipedia.org/wiki/Tawny_Owl ) to the extent of altering
their population dynamics?
Laurie Knight wrote:
see http://news.bbc.co.uk/earth/hi/earth_news/newsid_9401000/9401733.stm
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