APPENDIX 2. A series of nine putative double knocks recorded on December 25, 2005 with a handheld videocamera, including two distant putative double knocks, five closer putative double knocks, and two more distant putative double knocks. TLH, who recorded these double knocks, and BWR, who stood next to him, though the sounds were coming from two birds in front of them in the forest but out of view.
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