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Episode 1
The team investigates some of nature’s biggest mysteries: where have all the acorns gone? Just how small is Britain’s smallest bird? And why on earth is a group of crows known as a murder?
On TV
Fri 6 Nov 202619:30
The team investigates some of nature’s biggest mysteries: where have all the acorns gone? Just how small is Britain’s smallest bird? And why on earth is a group of crows known as a murder?
