[nysbirds-l] Henslow's Sparrow at Shawangunk Grasslands NWR: comparison of audiograms

Hi, I looked at the audio files posted on eBird, comparing Joe's file from yesterday with the many files that were posted a year ago. The bird that showed up yesterday sang a song with three descending notes. Last year's bird also sang a three part song, but the pitches were in the order of

[nysbirds-l] Henslow's Sparrow at Shawangunk Grasslands NWR: comparison of audiograms

Hi, I looked at the audio files posted on eBird, comparing Joe's file from yesterday with the many files that were posted a year ago. The bird that showed up yesterday sang a song with three descending notes. Last year's bird also sang a three part song, but the pitches were in the order of