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
22 June Barni, Alaska
W edge from the edge. The nest cup throwing
them to the side (both - right? left - usually
alternated) and the cup. At the end of her
stay: the nest - she stood up. flew
off - both birds again feeding. This is the
best indicator & date of nest-building -
perhaps Mr. & Mrs. choose the other site for
egg & does. The building of that cup is the
finished, a cup started by Mr. ? (although -
Mr. ? had not displayed any when
we were observing - during our
observation).
The frequency of whines was low today - not
more than 5-7 were heard during the 1½
hours while we were observing. The doublet
phrase (one of our more musical & rhythmic -
not as distinctly two-parked as some
songs heard earlier, i.e. at Bisa Lagoon.
Alarm note - whit, whit, whii, ... gave twice-
I gave it once after flying, but not landing to
fart away. - She flew off - feeding (note given
after landing). Later ? - gave the note while
standing - a polyphony - apparently in response
to a Pomarine Jaeger - as it flew towards
her & as the jaeger flew over Mr. ? crouched
but continued giving the note - at 18 sec
intervals (i.e. slower than before at 2.3 sec intervals).
[illegible]
23.