ML646503587

媒体文件注释

high pass filter for traffic noise on audacity

观察细节

Slow, repetitive call at about 4500 hz on spectrogram. Recording made. Maybe not so rare after all?

额外物种

• Yellow-browed Warbler Phylloscopus inornatus
• Taiga Flycatcher Ficedula albicilla
• Golden-bellied Gerygone Gerygone sulphurea
• Arctic Warbler Phylloscopus borealis
• Gray-headed Canary-Flycatcher Culicicapa ceylonensis