Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
LLW014
1964
Aenophila cassini
June 26 Welder Wildlife Foundation, San Patricio Co., Texas
#3 is 8' of path watched feeding young this morning.
#1 singing near road in @ (map) - 3 times (1 flight)
1625 - #3 chit. fl. song.
1626 - #1 - flight song. Back to perch in 1' mesquite
then flew horiz. to 3' mesquite - song not complete but
whistle in a# + 1 end note while on perch. now back into
circle area with flight song.
1631 - #1 flight song for 20yds +/- parallel to +/- 10 yards S.
of road. at edge of vegetation. then into 6' mesquite to
ground & back into mesquite - each time with partial flight
song. flight song begins with shallow, regular, but fluttery
performance
flight to near apex, then glide while starts song. ends
flight with flutter to land. song usually; not always, ends
before arriving at perch. Always seems to be complete
but note given from perch may be reduced in volume.
1642 - #1 flies to W. 75+ yds. #2 singing to S. + seeming
at edge of territory. #1 then in that direction.
1644 - #2 singing from near where first seen.
1645' bird singing from near SE corner of ##/1's territory.
1606 - #2 as this is in area covered by him earlier.
The chittering + singing at 1600 was close enough to
gender between (t)2 that it may have been a boundary dispute.
1655 - #1 1657 - essentially all @ quiet. has been
overcast with strong breeze since 1600.