Why bats don't fly during the day

To: Canberra Birds <>, "" <>
Subject: Why bats don't fly during the day
From: "calyptorhynchus ." <>
Date: Sun, 28 Feb 2016 21:04:40 +0000
I was doing my stoutness exercises at my local oval (Hughes, ACT) this morning and, while it was still dark 6-8 small insectivorous bats were circling around feeding. (Don't know what sp but they were all dark and the body length was 5-6 cms).

As it got lighter they all disappeared except one which was obviously trying to get some last minute feeding in. A Magpie saw it and swooped at it and the bat made for the trees at the other side of the Oval (about 250 m away). The Magpie took off after it and easily caught up with it, but when it did the bat simply circled the Magpie, which was spinning, trying not to lose height and squawking in frustration. When the Magpie was dizzy the bat set off again, but same thing thing happened another two times before it made the safety of the trees.

Guess that trick wouldn't have worked if it had been pursued by a Sparrowhawk or Hobby.

John Leonard

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