Abstract
THE nest illustrated in Fig. 1 was removed from one of the ends of the top horizontal framework of an electricity transmission tower near Colenso, Natal, in April, 1933. These towers are some thirty feet in height. The nest proper, consisting of branches, twigs and dried grass, was built in a stout wire basket, some twenty-three in. in diameter. The crows (pied crow, Corvus scapulatus, Daud.) picked up odd scraps of wire to form the basket, and they bent some of the pieces round the 2-in. angled iron of the tower in such a manner as to fix the nest very securely. The kinds of wire so used were: No. 8 hard-drawn copper; Nos. 8 and 6 galvanised iron; No. 14½ baling; No. 14 2-strand barb-wire. The total weight of the nest is 20 lb.
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WARREN, E. Wire Nests of Crows. Nature 132, 29–30 (1933). https://doi.org/10.1038/132029a0
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DOI: https://doi.org/10.1038/132029a0
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