Alternate universe events
All Birds events
Real world events
- 2015: Scientists solved the mystery as to why crows hold "funerals": it is because they are learning about potential dangers.
- ^ Prigg, Mark (October 2). "The mystery of 'crow funerals' solved: Researchers say birds are trying to learn about potential dangers to their own lives - and remember threats for years". DailyMail.com (University of Washington). http://www.dailymail.co.uk/sciencetech/article-3258227/The-mystery-crow-funerals-solved-Researchers-say-birds-trying-learn-potential-dangers-lives-remember-threats-years.html.
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