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With regard to the Raven / Wolf / Human interactions, I'm not
convinced we have to look for co-evolution or genetic consolidation of
that behaviour, for the Ravens.
The genetic base for this behaviour is the very high level of
intelligence in the corvids (Ravens & Crows even more so) and the high
level of social interaction. No doubt these are both genetically fixed
but intelligent / successful behaviour will be passed on reliably
generation after generation simply be social learning.
I don't see any need for specific behaviour to become fixed. With
birds ("animals") as smart as these, behavioural plasticity is more
likely to be genetically selected.
"Whatever works".
Rick Whitman
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