[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Subject Index][Author Index]

Re: bcf vs. badd



In a message dated 95-12-01 09:42:42 EST, bonn@qcvaxa.acc.qc.edu (Bonnie
Blackwell, x 3332) writes:

>George stated that hunting for food could not be a reason to develop
>flight, because an animal cannot know what food will available in new
>regimes.  but if you are jumping to find food, often times you can 
>SEE the food that you are searching for.  we know these predators all
>had reasonably good vision, so they would be able to see at least some
>of their potential food sources.

I'm looking for proximate causes here. Once you've started jumping and
leaping and whatever, all sorts of new avenues open up. The nagging question
in this scenario would be, why jump to find food?