British wildlife recordings

Corvus frugilegus : Rook - Corvidae; Corvus monedula : Jackdaw - Corvidae

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  • Shelf mark

    W1CDR0001532 BD7

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  • Recording locations

    Pinbury Park, Gloucestershire: OS Grid Reference(395500,204500)

  • Recordist

    Williams, Aubrey John

  • Species

    Rook, Corvus frugilegus & Jackdaw, Corvus monedula

  • Description

    Calls made by rooks and jakdaws recorded at Pinbury park, Gloucestershire. If you look up into the bows of tall trees in early spring you will, on occasion, be confronted with a large collection of bulky nests created by rooks. These 'rookeries' reveal the gregarious nature of this widespread and noisy crow. Its calls are a familiar sound on farmland where it is usually found, satisfying an appetite for leatherjackets, wireworms, spiders, carrion, young birds, small mammals, cereal and root crops, seeds and berries. Rooks fly in a large, loose formation and often accompany groups of Jackdaws. They are usually absent from heavily wooded areas, moorland, heaths and marshes. The native population in Britain receives an influx of visitors from northern Europe and Scandinavia during the winter months. The appearance of this crow is characterised by a bare face-patch, which gives the impression that the bill is longer than it actually is. The glossy black plumage displays a purplish sheen. If not seen the birds will often signal their presence by uttering a harsh 'Kaah'. The nests, which have been recorded to number as many as six thousand in one location, are constructed from sticks, soil and roots. In each, three to five blue-green to grey-green eggs are laid during March or early April. Females are responsible for incubation although both sexes help to raise their young.

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