William Brewster eBooks
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The Birds of the Cambridge Region of Massachusetts. E-book. Formato PDF
William Brewster
edizioni Forgotten Books collana , 2017
Summer residents. The average dates of arrival and departure are inserted between the earliest spring and the latest autumn records. In the case of birds which occasionally Spend the winter (as the Catbird) the word winter' is added after the average dates, and early and late dates are given only when there is no doubt...