canberrabirds

Koel and the Doppler shift

To: Canberra Birds <>
Subject: Koel and the Doppler shift
From: calyptorhynchus <>
Date: Sat, 3 Nov 2018 20:53:57 +0000
Amusing incident just now at our place in Hughes. A calling Koel was chased out of a tree by a Red Wattlebird and pursued over our yard and into the distance, but the Koel still continued calling whilst being pursued. As it approached and then receded the call changed in pitch noticeably.

:-)

--
John Leonard
Canberra
Australia
www.jleonard.net

‘There is kinship between people and all animals. Such is the Law.’ Kimberley lawmen (from Yorro Yorro)

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