ML62333

年龄

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媒体文件注释

NOTES: Assorted calls in flight and on ground. Both birds calling, near nest. Distraction display and long flight sequence. Slower and irregularly timed calls are made on the ground; all of first 4 minutes on ground then rapid rhythmic flight calls; some calls from ground near end. Nagra III; 24" reflector.

额外物种

• Lapland Longspur Calcarius lapponicus

技术信息

录音机

话筒

附件

存档信息

已编目

11 Aug 1999 -

已数字化

3 Oct 2000 - Lauren A. Serafin