Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Holmes,R
1962
Erolia ferruginea
12 June Barrow, Alaska
went beyond the rump to the 9's head
was under arwing before she
withdrew it - ie shot past the
rump along the flank? No?
This courtship Sequence is usually
started with a wing flash by the 8
to the 9 - when she is just under
away - then he raises the other
wing lowers tail, etc.
Song? - twitter (?) - See F. m.p.
Also, The male is frequently in his
hunched posture - even while feeding.
As he feeds along - he would suddenly
set into a dynamic, raise his tail
and start working again. Often
he would run in hunched posture -
like a mouse-run, to a particular
cup, settle into it - go through the
nest scrape - when half wings are
moved back & forth in the air
with the white undertail coverts flashing.
This was noted in at least 4 places -
within a 50' diameter. One case,
after the nest scrape, The bird stood
up, picked at several pieces of grass
around the cup & picked them up in