Alvaro Jaramillo writes:
>
> Perhaps some chickadees cannot coexist. This appears to be the case
> with the Carolina and Black-cap, you either have one or the other, not
> both.
> Serge, is this not also true with Marsh Tit (Parus palustris) and
> Willow Tit (Parus montanus)? From what I understand, in parts of
> Europe the Willow Tit is a bird of the conifers (appropriate name,
> there BOU) while the Marsh is not.

Well, sorry about that Al, but I don't know much about _Parus montanus_,
and especially its relation with _Parus palustris_.

In France, which (for obvious reasons) is the area I know the most, the
Willow Tit is indeed mainly limited to conifers or mixed forests,
but also can be found (not far east from Brittany) in willow thickets
in boggy areas. It seems to me that this guy favors the cooler areas where
the Marsh Tit is less present. Now, why is that ? I dunno...
See, I don't have any documentation on "my" birds here :-)

Maybe some Brits (or even Stuart -- no, I don't mean you're Brit :-) would
have something to say about this, for both species are present in England.

BTW, what does BOU stands for?

Ahhhhhh, I enjoyed these scientific names, even more so when they refer
to european species...

Serge "dreaming of green Brittany" Le Huitouze

--
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A bird in the bush is better than two in the hand.

Serge Le Huitouze Intelligent Software Group
email: serge at cs.sfu.ca School of Computing Science
tel: (604) 291-5423 Simon Fraser University
fax: (604) 291-3045 Burnaby, B.C., V5A 1S6 CANADA