Also see "Further Readings" below the article text.
Dan

----- Original Message -----

From: "Dan Reiff" <dan.reiff at comcast.net>
To: notcalm at comcast.net
Sent: Tuesday, October 31, 2017 6:49:03 PM
Subject: Do birds have the capacity for fun? - ScienceDirect


https://www.sciencedirect.com/science/article/pii/S0960982214011403


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