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Language: en
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Type: BOOK - Published: 2000 - Publisher:
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Type: BOOK - Published: 2003 - Publisher:
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Pages: 288
Type: BOOK - Published: 1998 - Publisher:
Language: en
Pages: 392
Pages: 392
Type: BOOK - Published: 2000 - Publisher:
Birds are indicators of vegetation structure and ecological conditions. The singing activity of birds declines during late-morning periods, which can affect est
Language: en
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Pages: 336
Type: BOOK - Published: 2005 - Publisher: