Pears, Corncrakes and Cow Calling
Oct 10, 2026 · 1h 23m
Summary
Hosts Mark Stephen and Rachel Stewart explore the science of leaves with Professor Jonathan Silverman, discussing their evolution and role in regulating atmospheric CO2. The episode also covers the revival of ancient Scottish pear orchards in the Carse of Gowrie, highlighting their ecological value and unique varieties. Additionally, the hosts report on the International Conservation Translocation Conference in Edinburgh, featuring insights on rhino reintroductions in Kenya and beaver restoration in the Cairngorms.
Topics discussed
Introduction and the mystery sound of cow calling
Rachel's deja vu in Selkirk and the mystery sound reveal
Dr. Jonathan Draper on the evolution and function of leaves
Listener letters about leaf luck and early plant evolution
Visit to the Port Allen Orchard and history of Scottish pears
Conservation translocation conference and rhino reintroduction in Kenya
Listener guesses for the mystery sound and local news
St Cyrus Nature Reserve: sustainability, flooding, and bird counts
Tasting and cooking heritage pears with Neil Clapperton
RSPB Corn Crake Project: conservation and identification methods
More listener guesses and autumn colour reports
Rika Apollonin on Nordic cow calling and Highland cattle
Mystery sound answer and book recommendation
The Place Youth Club in Alness: community garden and wildlife
New bird hide construction at St Cyrus Nature Reserve
Final listener comments and sign-off
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