来自世界任何一个角落的朋友, 祝大家時時開心愉快! To all friends from all over the world, wishing you joy and happiness always! My previous blog www.activegoldengirls.blogspot.com
Monday 17 June 2019
Dragonflies are sensitive to pollution
A very attractive deep red dragonfly visited my back lane garden today. The picture does not do it justice |
I
read that dragonflies are extremely choosy about their habitat. They do not
like to lay their eggs in polluted water bodies. If you happen to see
dragonflies around, it is a sign that the ecosystem is in a good condition. One
thing is sure, dragonflies are sensitive to pollution.
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