The composition of bird has obvious character of Palaearctic region. There are 98 species (42. 6%) of summer migrants, 60 species (26.1%) of travelers, 17 species (7. 4%) of winter migrants, 55 species (23.9%) of resident birds.是什么意思_The composition of bird has obvious character of Palaearctic region. There are 98 species (42. 6%) of summer migrants, 60 species (26.1%) of travelers, 17 species (7. 4%) of winter migrants, 55 species (23.9%) of resident birds.在线翻译_英语_读音_用法_例句