Chim nông thôn khó “lấy vợ” thành thị
Cập nhật: 13:51 05/06/2009 GMT+7
Những con chim sẻ ngô đực ở nông thôn không thể cặp đôi hay kết bạn với chim cùng loài ở thành thị, bởi chúng không thích tiếng hót của nhau.
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