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Sunday, 4 May 2025

Bad news on WaterShrewCam


Bad news if you are a water shrew that is, but maybe good news if you are a heron.  The trail camera saw two shrews being eaten by a heron last year and another a few weeks ago in a blog I wrote for the Natural History Society of Northumbria.  Then last week the heron(s) caught and ate nine water shrews in six days at only one camera position.  I thought water shrews were uncommon but there must be a healthy population to sustain that level of predation.  Or at least there was.


And a bonus heron video.  Last month I posted a video of a heron that caught a frog that put up a good struggle and eventually got away, probably not unscathed.  This time the heron caught a toad.  The toad's defence is to swell up and produce a foul-tasting and perhaps toxic secretion from its back.  The heron seemed to realise pretty quickly and dropped the toad before trying to wash the taste away.


After that I think the heron will stick to water shrews, while there are any left. 

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