The frog resists.  He pulls away, ferociously protecting its meal.  The meal, meanwhile, flexes its legs occasionally.  The large frog stares at Sarah, not caring for this intruder.  Ultimately the frog turns and hops away.<br/><br/>"Ok, that didn't go quite as planned.  That's ok, though.  We'll get a better shot later.  Right now let's see about those two frogs mating over there.  Go up next to them and let's add a little commentary.  Just mention stuff like the frogs getting in a mating frenzy in the late spring when the vernal pools fill with water."