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I have bee off for two or three days and have not yet read all
150 posts in my m ailbox, so I may be behind the times.
Someone (I forget who)_ said that giraffe's do not use their horns
when they side-swipe with their necks. Not true. When I have
observed giraffes sparring (in the Sudan) it seemed to me that the
main objective was to hit the opponent with the horns. A neck-to-
neck strike was only fortuitous when one of them dodged.
How much that afects our discussions on the possible use of dino
necks for aggression I don't know. Giraffe's only use neck bouts
in male-to-male mating fights. At least I have never seen them
use this kind of action for protection from predators. When a
lion attacks a giraffe he (or rather she - it usually a female)
attacks from behind or to the side, and the chief form of
defence is running away. A giraffe can easily outrun a lion.
The only time I have seen a giraffe brought down by lions was
when two attacked together.
BUt enough about rigaffe's necks. They do not really make a
good model for dinos - no mammal does.
>From: David Brez Carlisle