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.
ఫ్రింగిల్లా కోలెబ్స్ యొక్క ఏ లింగం ముందుగా వలస వెళ్తుంది?
Female