ML79159191
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媒体文件注释
Heard only. Some poor audio. Best audio at 01:19 thru 1:22. Whistling. Others at 0:12 and other various places. Only had 8 minutes and no scope, not enough time to sort through the 2000+ scoters. Full 8 minutes of audio available if needed. Not a typical bird to ID by ear, so I've been researching any possible vocal doppelganger. LB Curlew comes the closest, but not quite. Besides, the whistles seemed to be coming from the Scoter raft, far out on the bay. I had heard some clearer Black Scoter whistling before I ran tape. Black Scoters don't typically whistle away from their breeding grounds, I'm told, but please refer to http://ebird.org/ebird/view/checklist/S33158732 and EBB emails from December 2016 for precedent.
观察细节
Heard only. Some poor audio. Some amplified or with frequency filters applied. Whistling. Only had 8 minutes and no scope, not enough time to sort through the 2000+ scoters. Full 8 minutes of audio available if needed. Not a typical bird to ID by ear, so I've been researching any possible vocal doppelganger. LB Curlew comes the closest, but not quite. Besides, the whistles seemed to be coming from the Scoter raft, far out on the bay. I had heard some clearer Black Scoter whistling before I ran tape. Black Scoters don't TYPICALLY whistle away from their breeding grounds, I understand, but please refer to http://ebird.org/ebird/view/checklist/S33158732 and EBB emails from December 2016 for atypical precedent.
技术信息
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- 1.49 MB