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Old 2019-03-13, 11:58   #3
Dr Sardonicus
 
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Feb 2017
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For the past week or so, I have heard birds singing as I haven't heard them sing in months. They have been singing as the night sky starts becoming noticeably less dark, around half an hour to 20 minutes before sunrise. This type of singing is known as the "dawn chorus." Its yearly return is a sure sign of Spring.
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