Autumnwatch

Episode 4 (2018x4)

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Chris, Michaela and Gillian look back at some of the spectacular sights that have graced our screens over the week, comparing the richness of these American forests to the species seen in the UK. There is a film about the incredible migration of the monarch, a butterfly that flies all the way to Mexico at this time of year, plus a swirling tornado of tree swallows which Michaela went to see in Connecticut. And in Boston, a pack of dangerous animals are on the loose - gangs of turkeys roam the streets driving some residents to distraction.