I have never seen a whistle on a bird before but today in Victoria Park one of the Feral Pigeons was fitted with one. It was flying in a small flock of pigeons and didn’t appear to hinder its flying
Attachment: DEA9F42D-38A1-4634-AB0C-7F3A571AAD2B.jpeg (18/11/2017 21:58, 371.79 KB) / Download count 715 http://hkbws.org.hk/BBS/attachment.php?aid=31855 Author: casualife Time: 4/01/2021 22:50 Subject: A pigeon whistle (known as a geling 鸽铃 or geshao 鸽哨
According to Wiki "A pigeon whistle (known as a geling 鸽铃 or geshao 鸽哨 in China) is a device attached to a pigeon such that it emits a noise whilst flying. They have long been used in Asian countries, particularly China for entertainment, tracking and to deter attack by birds of prey"
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