I've just re-read my message and realised that "enticement" is probably the
wrong word (I was trying to be descriptive). Of course evolution doesn't
work that way. Perhaps "reward" or "trade-off" would have been a better
word. Anyway, I think you all know what I meant.
>I guess the knob and associated depressions act as a kind of enticement to
>the plants to evolve flowering characteristics that are of benefit to Noisy
>Friarbirds as opposed to other honeyeaters (for example, a large volume of
>nectar which is easily accessible to a bird of its size, perhaps
>concentrated within an area which can be defended by a group of
>friarbirds). This is just my own speculation, of course.
>
>I think it's probably a good example of evolution resulting from benefits
>to kin rather than the individual itself. I think it's a fascinating topic.
>
>Carol
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