Background: Within a population, it is common for different ages and/or sexes to have different patterns of timing and distance. Female chaffinches Fringilla coelebs in Eastern Fennoscandia migrate earlier in the autumn than males do.
Question: Which sex of the chaffinches Fringilla coelebs migrate earlier?
Answer:<extra_id_0>.
<extra_id_0> Female<extra_id_1>