Re: Predation On Chimps
From: Nick Maclaren (nmm1_at_cus.cam.ac.uk)
Date: 11/03/04
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Date: 3 Nov 2004 14:35:25 GMT
In article <77a70442.0411030513.5a13872c@posting.google.com>,
algis@RiverApes.com (Algis Kuliukas) writes:
|> "J Moore" <anthrosciguy@yahoo.com> wrote in message news:<gWQhd.99366$Pl.90310@pd7tw1no>...
|>
|> > WE see that predation is not much of a problem for chimps because that's
|> > what we see -- why do you want to deny this?
|>
|> Because... (let's see if you get it the third time) ... the very paper
|> you sent to RT, which he said was very interesting (and from which he
|> chose a snippet to back this argument - that chimps have no problem
|> with leopard predation) was *contradicted* by the data published in
|> the paper and by the overarching conclusions of the authors.
Gug. I have just looked at it, and you are definitely more right
than they are.
There is nothing like enough data for chimpanzees to estimate
whether they are more or less likely to be eaten by leopards
than monkeys, nor whether this would be a smaller or larger impact
on their reproduction. The way in which he performs regressions
using such unreliable data is definitely bad practice, too.
The anecdotal report of a leopard avoiding noisy groups of
chimpanzees is precisely what you would expect, especially where
the groups are so large, and is precisely what leopards did with
humans and cattle. A leopard will jump into the middle of a group
of (small) monkeys, but will attack only isolated humans, cattle
or chimpanzees and perhaps seize one at night (not observed in
that research).
Regards,
Nick Maclaren.
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