Notes

01 February 1991
Comments Notes Night Herons and Little Egrets preying on fish while flying. In the late afternoon of 13th June 1987, during a visit to the northern shore of Manyas Gölu, northwest Turkey, Per-Anders Bertilsson, Rolf Simonsson and I observed large numbers of herons c...
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Notes

01 November 1963
Comments Notes IT has long been known that, in the Common Crossbill (Loxia curvirostra) the mandibles cross indifferently on either side in different individuals. Recently, however, for a special purpose, I desired to ascertain whether or not individuals having the man...
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