. Bulletin of the British Ornithologists' Club. Birds. p. Alstrom, U. Olsson & P. R. Colston 192 Bull. 1997 117(3) approach at 18 s. Obviously interested in the song; searched for the source of the sound and flicked its wings now and then. At c. 1 min 50 s it moved away from speaker. • kansuensis (2 min). 1st approach at 3 s followed by full response rest of time. Much stronger response than to proregulus and chloronotus. Individual No. 12, Mengda 12 June 1994 • kansuensis (a few s). Immediately full response. • proregulus (2 min). No response. • chloronotus type A (2 min). No respo


. Bulletin of the British Ornithologists' Club. Birds. p. Alstrom, U. Olsson & P. R. Colston 192 Bull. 1997 117(3) approach at 18 s. Obviously interested in the song; searched for the source of the sound and flicked its wings now and then. At c. 1 min 50 s it moved away from speaker. • kansuensis (2 min). 1st approach at 3 s followed by full response rest of time. Much stronger response than to proregulus and chloronotus. Individual No. 12, Mengda 12 June 1994 • kansuensis (a few s). Immediately full response. • proregulus (2 min). No response. • chloronotus type A (2 min). No response. • chloronotus type B (4 min). 1st approach at c. 15 s, but no further response. • kansuensis (2 min). 1st approach at 45 s (bird was not seen when playback started, so perhaps had moved out of hearing range) followed by full response rest of time. • proregulus (4 min). Moved somewhat closer to speaker, but was at the most curious, definitely not aggressive. • chloronotus type A (4 min). No response. • chloronotus type B (4 min). No response. • kansuensis (2 min). 1st approach at 4 s followed by full response rest of time. Individual No. 13, Mengda 12 June 1994 • kansuensis (a few s). Immediately full response. • proregulus (2 min). No response. • chloronotus type A (2 min). No response. • chloronotus type B (2 min). No response. • kansuensis (2 min). 1st approach at 3 s followed by full response rest of time. • proregulus (2 min). 1st approach at 6 s, but no further response. • chloronotus type A (2 min). No response. • chloronotus type B (2 min). No response. • kansuensis (2 min). 1st approach at 3 s followed by full response rest of time. Individual No. 14, Mengda 13 June 1994 • proregulus (2 min). No response. • chloronotus type A (2 min). No response. • chloronotus type B (2 min). No response. • kansuensis (2 min). 1st approach at 12 s followed by full response rest of time. • proregulus (2 min). No response. • chlorono


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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1893