Alaska species accounts, v4430
Page 369
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Maebear 1964 Erolia melanotos 1 10 June 2nd in abundance (after White-rump) along beach ridge and gas line ridge. Aerial display frequently seen and heard: fly ca 10 ft above ground with breast inflated giving deep, pulsating "electronic beep" sound. It's appear to outnumber F's ca 2/1. F's often chased by M's - 1 or 2. M displays to by white-rump. Another M chased by w-r. Evening - most abundant shorebird in Voth area, especially Voth bluffs. 2 M's displaying to F. Fly by observers, but stop beep and glide on level wings, throat less distended. 11 June None seen in Drum area. 12 June One or groups in center of area announced and defended by white-rump. Displayed once. 13 June None in marsh between Pow & Fresh Lake. One M seen in grass in E.Fresh Lake marsh. Quiet. 15 June Very common in wetter marshes. Still 2-3 M/M / F. Groups courtship 3 of AACS - F leaning forward, tail up . M approaches from behind in bobbing, upright posture, moving throat region. continues ca. 8-10 sec - interrupted by another M, chased and returned, other M returned. Spent 15 min trying to