ML339943331

影音備註

First call overlaps with a RBGU at 0.04, 0.10, "scrape" call at 0:13 overlaps with a RBGU followed by 4 calls, then a BOGU starts calling at 0:17, then a bunch of BOGU call simultaneously!

其他鳥種

• Red-winged Blackbird Agelaius phoeniceus
• Common Yellowthroat Geothlypis trichas
• Ring-billed Gull Larus delawarensis
• Bonaparte's Gull Chroicocephalus philadelphia