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.
ফ্রিঙ্গিলা কোয়েলেবদের কোন লিঙ্গ আগে পরিযান করে?
Female