I think the new scientist article describes a three-way hybridisation
while the ones you refer to seem to be two-way hybrids
On 23/07/2008, at 5:33 PM, Carl Clifford wrote:
Laurie,
It does happen with birds. A good example is the problem arising in
Europe, where the American Ruddy Duck has started expanding its
range and has started interbreeding with the native White-headed
Duck, which was already endangered. This inter-breeding has
exacerbated this considerably, to the point that culls have been
organised of the Ruddy Duck. There is an informative page on
Wikipedia about bird hybrids at http://en.wikipedia.org/wiki/Bird_hybrid
Cheers,
Carl Clifford
On 23/07/2008, at 5:15 PM, L&L Knight wrote:
The following news item discusses how the introduction of an exotic
species led to the hybridisation of two related species that don't
normally hybridise ...
I'm not sure whether this might happen with birds ...
Regards, Laurie.
http://environment.newscientist.com/article/dn14373-alien-fish-creates-threeway-hybrid.html
Alien fish creates three-way hybrid
• 22:00 21 July 2008
• NewScientist.com news service
• Bob Holmes ==============================www.birding-aus.org
birding-aus.blogspot.com
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