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Re: DINOSAUR digest 3454
On Sat, 21 Jan 2006, Patrick Norton wrote:
"Please, someone, explain how on earth a long neck is of benefit to any
For very massive browsers such as the sauropods, a long neck makes sense to
me in terms of energetics. A long neck, which allows the animal to vacuum up
biomass over a large area without moving its entire body, would have tended
Well, a large arc anyway. Depends on how flexible that neck is.
to increase the time spent feeding and decrease the time spent moving from
one feeding location to another. Moving from one feeding location to another
is more energetically expensive than standing in one place and eating. Not
only does it take a lot of energy to move 50 or 100 tons, but it's likely the
animal wasn't actively browsing while moving to a new location.