Pygmy Swiftlet, Collocalia troglodytes
Recording AV#1973.
Philippines: Mindanao: Bislig; PICOP (8.259, 126.154)
recorded by Pamela C. Rasmussen
Recording Characterization
Download Sound | MP3 (compressed, lossy) | FLAC (compressed, lossless) | WAV (uncompressed, lossless) |
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Download Sonogram | sonogram (JPEG) |
Graphic Sound Analysis (click to zoom) |
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AVoCet catalog # | AV1973 |
Audio duration (s) | 33.3 |
ID confidence and determination | 100% many seen well, a few photographed poorly (photos above); no other species of swiftlet seen in the flock despite intensive observation from 1510-1540. It is possible that one or a few of some other species of swiftlet were present and overlooked but unlikely |
Sound types present | call |
Grade of best portion | average noisy |
Playback used | no |
Individual Characterization
Behavior | repeatedly flying back and forth in open area above hilltop; sometimes coming very close to me, but nevertheless I got notes on only one of several attempts, so they are silent much of the time even when swooping down at close range |
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Group size | small loose flock |
Environment
Recording date | November 23, 2009 |
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Time recorded (24h) | 15:10h |
Location | Philippines: Mindanao: Bislig; PICOP (8.259, 126.154) Coordinates determined by: GPS |
Elevation (m) | 160 Determined by: GPS |
Habitat | at a hilltop homestead with lots of small trees around and still a few big trees |
Additional Information
Recordist name | Pamela C. Rasmussen |
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Copyright/permissions | copyrighted by recordist; freely available with attribution |
Recording Equipment | Nagra Ares BB+ and Sennheiser ME66/K6 |
Additional photos available | Yes |

Audio recording file "AV1973" by
Pamela C. Rasmussen
is licensed under a
Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States License.
Based on a work at avocet.integrativebiology.natsci.msu.edu/recordings/1973.