Notes

01 July 1948
Comments Notes DURING the spring of 1947 I saw what certainly appeared to be bigamous behaviour by a male Rook (Corvus f. frugilegus) Unfortunately, the observations were rather disjointed, a continuous watch not being possible. On March 14th a well-advanced nest was s...
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Notes

01 December 1933
Comments Notes I T is with the greatest regret t h a t we have to announce the death at Berlin, on the 10th of November, after an illness of only three days, of Dr. Ernst Hartert. Dr. Hartert was renowned as an ornithologist all over the world, but in no country was he...
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