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[Tai Mo Shan 大帽山] Recording the location of ‘bird flocks’ - Tai Mo Shan

wcaptain

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1# A A A Post at 16/09/2009 09:47  Show all
Comments:

(1) Any definition of "large, median and small" flock size.

(2) Little Swift and barn Swallow are highly movable species. Any measures to avoid over-counting?

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