The number of monarch butterflies wintering in the mountains west of Mexico City rebounded this year, doubling the area they covered in 2024 despite the stresses of climate change and habitat loss, experts said Thursday.

專家表示，飛抵墨西哥市西部山區過冬的帝王斑蝶數量於今年回升，儘管面臨氣候變遷和棲地流失的威脅，其覆蓋面積仍較去年成長一倍。