Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
LL Wolf
1964
8
Aimophila alestivalis
June 19 / mi. S. Boykin Springs, Jasper Co., Texas
inch of grasses just back from entrance O. ground
0831 - 82 singing 150 ft E of nest. at 15 feet up +
right at end of 6 inch dead stub.
0832 - silent
0838- 82 perching on same spot. - stopped at 08:57
0841 - 82 perching no sign of F. 0845 - sitting quietly at
end of the dead limb. tail + body axis form straight
line about 30 deg with perch /30 legs front + only
part of tarsus shows below abdomen feathers. slow
rapid up & down movement of feet on perch as if
goning to fly but didn't leave (08:52). (limb 1" diameter)
0857 - 82 gone from perch - left while I was writing
notes so not sure where he went.
0906 - 82 up into limb (6') of pine, then after much "bowing"
+ tail pumping flew to lowest dead limb of pine (7' up)
+ sang. Tail flicking when held at horizontal or above
as sinks below horizontal birds become quiescent.
(climb 1" dia,) flies to [illegible] N where about 100 feet
from me. sings soft song with occasional longer
song. at end of 2 foot long - 2" diam. perch. /0 ft up
0907 - left perch, - not sure to where.
0908 - bird on small limb (2" dia) in small pine 20 feet
N of nest. tail above horizontal + 30 deg + pumping. bird
swinging three 600 on perch + once turned /80 deg +
then back to still facing forward nest. faded