| http://www.w3.org/ns/prov#value | - The recordings include the songs and calls of much-loved garden birds, such as the Blackbird, Song Thrush, Robin, Wren and Blue Tit as well as the sounds of many wonderful migrants: the call of the Cuckoo that heralds the arrival of spring, the piercing cries of the Swifts that arrive later, the distinctive sounds of the winter-visiting Redwing and Fieldfare.
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