Introduced by Tony Soper with lain Guest Acorn Watch
Thousands of acorns fall from a single tree. What happens to them? Jeremy Cherfas settles in for a dusk-to-dawn vigil by the mighty oak. Family Planning
A tawny owl's food supply regulates its clutch size. A Dutch team found that in lean times parent birds resort to ghoulish remedies. Troubled Waters
The Fal estuary is a naturalists' paradise; riches abound. Now a new container port looms large. How are the conflicting interests resolved? Editor ROBIN KELUER. BBC Bristol