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Penny Anderson on the Heron
Ecologist Penny Anderson wonders whether evolution is a work in her garden as the behaviour of the frogs in her ponds seems to be changing in response to the annual visits by the herons which enjoy a spot of fishing.
Producer: Sarah Blunt
Photograph: Ian OK.
Last on
Thu 22 Sep 2022
05:58
主播大秀 Radio 4
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