"Jarek Hirny"  wrote in message
>
> I'd be very grateful if you could point me to game theory
> applications in evolution.
>
The problem is that games are theoretical constructs that don't map
obviously to real organisms. One factor is that games suppose a "currency",
but we don't generally know how valuable a grain of feed is to a pigeon, for
example. (If it's a lab pigeon then it is guaranteed not to be starved to
death anyway, so the survival value of food is zero. However pigeons
probably don't know this.)

Guppies will inspect predators, to assess whether they are hungry and thus a
threat. If two guppies are in a group, then this creates a game similar to
"prisoner's dilemma". The theoretical best strategy is "tit
for tat", though
there's some argument about this. However attempts to match the actual
behaviour of guppies up to "tit for tat" haven't proved too successful.
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