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Available for over a year

Rob Newman reminds us about some now extinct lifeforms - and our role in their demise. The Alabama Pigtoe Mussel was an unassuming little mollusc. Half-buried in the silty banks of the Mobile River, these mussels filtered plankton and algae from the slow-moving waters. When the last Alabama Pigtoe closed its shell forever, secrets long hidden in the river bed, came bubbling up to the surface. Produced at Â鶹Éç Bristol by Emily Knight. First broadcast on Â鶹Éç Radio 4 in November 2019.