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Chris Packham and Michaela Strachan present the latest seasonal wildlife stories live from National Trust Crom, the stunning lakeside reserve cared for by the National Trust. Featuring part one of a special trilogy of short films examining the extraordinary relationship between the reed warbler and the common cuckoo, one of nature鈥檚 most fascinating examples of brood parasitism.

Meanwhile, Iolo Williams broadcasts live from the Natural History Museum in London, where he turns the spotlight on the capital鈥檚 rich and often-overlooked invertebrate life.