Alaska species accounts, part 2, v4221
Page 11
Image from the Biodiversity Heritage Library. Contributed by Museum of Vertebrate Zoology, University of California, Berkeley. | www.biodiversitylibrary.org
Transcription
Holme R 1955 Erolia Luciollis 2. 19 june Barrow, Alaska They flew. The 8> lost again his normal posture and bobbed his head several times. No sound was heard at this time. 1500.-1600. This pair was seen again in the same general area. The courtship display described above was seen once again, but it was at such a distance that nothing new can be added. The aerial display was performed several times. It was a typical erolia-type display where the bird flew to a height I about 31 feet and then glided down giving a high pitched twittering-note. This note was a three-part tinkling note which is very distinctive and seems to be the highest pitched of any 1 the Erolia's. 20 june Barrow, Alaska The same birds as mentioned above were watched for an hour and a half (0930-1100) on the beach ridge. The male was showing his territoriality by making the rounds of approx. 10 acres on top the ridge. He would sit on mounds at various locations