@evornithology @MoodTattooed Social signaling is another possibility that we tested in juncos. Males wiped their bills more often when a female was present. #ShamelessSelfPromotion https://t.co/VnMBmLeIjw
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RT @juncostink: On this morning's long run, I saw a crow land on a tree branch and start bill-wiping. I looked up, and sure enough, there w…
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On this morning's long run, I saw a crow land on a tree branch and start bill-wiping. I looked up, and sure enough, there was another crow in the tree. Nothing quite so satisfying as seeing one's scientific hypothesis supported out in the real world! http
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Birds could release, as well as detect smells with their bills. The function of bill-wiping... http://t.co/8CCvhqALE6 @juncostink