F. E. L. (Foster Ellenborough Lascelles) Beal
Food Habits of the Thrushes of the United States
F. E. L. (Foster Ellenborough Lascelles) Beal · 2010
ספרייה ציבורית, Project Gutenberg. בלי הרשמה.
BirdsThrushes -- Food
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F. E. L. (Foster Ellenborough Lascelles) Beal