Keywords: CBBM02 258.png Syrnium nebulosum <small>Forst </small> Strix nebulosa nebulosa <small>J R Forster 1772</small> en Great Grey Owl left foot from lateral Catalogue of the birds in the British Museum http //www archive org/details/catalogueofbirds02brit Vol 2 Page 258 1875 creator John Gerrard Keulemans Richard Bowdler Sharpe text PD-old-100 CBBM02 Strix nebulosa illustrations Strigidae feet |