ML 59440

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Number of individuals=AMc1-5;  

Lapland Longspur -- Calcarius lapponicus

William W. H. Gunn
14 Jun 1979 at 00:00

    Geography
  • Canada
    Nunavut
    Locality
  • 8.0 km N of Rankin Inlet
No locations found with lat/long
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NOTES: LNS 59440 (A+B);"Wet Tundra; Aerial + ground displays by 2 or more males; 12:42'3-bird chase'; draa draa draa + dreeeeeee (18:13 best?); di-di-di-di-di (on the ground)" (WWHG)

LNS hi-pass filter at 120hz

[This represents primarily "Rhythmically Repeated Calls" (0:16-0:30, 0:45-0:49, 1:01-1:27, 1:37-2:07, 2:31-2:57, 3:02-3:43, 3:49-4:12, 4:16-4:23, 9:54-9:55 (one grading into Song), 11:29-11:47, 12:25-12:39, 12:57-13:13, 13:23-13:24, 14:07-14:53, 15:06-15:38, 16:02-16:04, 16:10-16:28, 16:36-16:49, 16:56-17:29, and 17:50-18:09) but with "Songs" interspersed here and there, especially in the earlier and later parts of the recording (0:12-0:16, 0:30-0:45, 0:49-0:51, 1:27-1:37, 2:57-3:01, 3:43-3:48, 4:12-4:16, 9:55-9:59, 11:47-12:00 (the song at 11:54 seems atypical/abbreviated), 12:39-12:41, 12:47-12:51 (incomplete), 12:52-12:57 (incomplete), 13:13-13:22 (song by close bird followed by another by a distant bird), 13:25-13:27, 14:53-14:59, 15:38-15:43, 15:51-15:57 (incomplete), 16:04-16:10, 16:28-16:34, 16:49-16:55, and 17:30-17:44 (this last one a distant, decapitated, and extended song)). The BEST examples of RRC/Song combinations are between 2:31 and 4:23 (apart from longspur song at 4:04). Though qualitatively different, another series of calls (4:33-9:50) probably also represents RRCs (the BEST of these at 5:04-5:40). I am not certain of identity of soft "gurgling" in third part of this recording (2:14-2:21). The "Songs" given during a chase were somewhat different than those above, but with so much wind that they are unusable (12:06-12:17). "Krree" calls of this species are found at 11:55 and 13:31, but the soft twittering (10:08-10:09, 10:26-10:35) and "kip" notes (10:11-10:14) appear to instead have been given by Calidris pusilla. Terminology follows BNA. Quality unchanged (2-3,3, 2 - with the wind excessive in places) - CAM - 8 December 2004]

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