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1
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2by Lammers, RudolfSubjects: “...feeding / Aves...”
Published 1976
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3by Rittinghaus, HansSubjects: “...feeding / Aves...”
Published 1964
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4by Rüppell, GeorgSubjects: “...feeding / Aves...”
Published 1968
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Article in Journal/Newspaper -
5by Rittinghaus, HansSubjects: “...feeding / Aves...”
Published 1964
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Article in Journal/Newspaper -
6by Rüppell, GeorgSubjects: “...feeding / Aves...”
Published 1969
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Article in Journal/Newspaper -
7
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8by Rüppell, GeorgSubjects: “...feeding / Aves...”
Published 1969
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Article in Journal/Newspaper -
9
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10by Tinbergen, NikolaasSubjects: “...feeding / Aves...”
Published 1956
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Article in Journal/Newspaper -
11by Rittinghaus, HansSubjects: “...feeding / Aves...”
Published 1981
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Article in Journal/Newspaper