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Re: Ceratonykus braincase described
My climacterid data are in Canada, and I am in Malaysia until June 4 - so if
anyone really wants to know please jog my memory in June!
1825 Shady Creek Court
Canada L5L 3W2
On 2011-05-01, at 2:34 PM, Tim Williams <firstname.lastname@example.org> wrote:
> Dr Ronald Orenstein <email@example.com> wrote:
>> With respect to myrmecophagous birds, there are certainly birds that eat
>> ants as a major part of their diet. I beleive this is true of flickers
>> (Colaptes) and it is certainly true of Australian treecreepers
>> (Climacteridae) which I studied (including stomach content analyses) for my
>> doctoral thesis - these birds are certainly not flightless, though most of
>> their flights are from high on one tree to lower (or to
>> the ground) on the next. I have no data on their metabolic rates.
> Thanks Ron. Yep, the Northern Flicker (_Colaptes auratus_) was found
> to include nearly 90% of ants (Formicidae) in its diet - the rest was
> mostly spiders and scale insects (Coccidae) (Otvos & Stark, 1985).
> I'll defer to you for the Climacteridae data. :-)
> I should have specified *large* myrmecophagous birds (i.e., larger
> than 1 kg). Small mammals (under 1 kg) that specialize in eating ants
> or termites can have comparatively high body temperatures and high
> basal rates of metabolism (McNab, 1984) - such as those species of
> elephant shrew (Macroscelidea) in which the diet is mostly made up of