monarch butterflies disappearing

half butterfly lost

成千上萬聚居於加拿大和美國的帝王斑蝶,每年秋天都會花八個月南下遷徙到墨西哥。但近年牠們的遷徙數量一直下降,2013年比前一年更大跌了44%!由於生態被破壞及惡劣天氣,令能夠完成旅程的帝王斑蝶少之又少。牠們是植物傳播的重要角色,牠們的消失將影響自然生態發展和平衡。

billion of monarchs butterflies from canada and america would spend 8 months to migrate to mexico every fall. the number of migrating monarchs has been declining in the past years, and in 2013, the number has dropped 44% compared to the previous year. due to the lost of habitat and bad weather, many of them could not complete their journey.

http://cablenews.i-cable.com/webapps/program/study/videoPlay.php?video_id=12175529

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out /  Change )

Google photo

You are commenting using your Google account. Log Out /  Change )

Twitter picture

You are commenting using your Twitter account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s