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Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
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Transcription
K Dixon
1952
atricornatus
Feb 1
11 mi. NW Jourdan, 700 ft., Atascosa Co., Texas
low FOG; CALM; clear overhead. I walked E through
mesquite toward scene of yesterday's study after 7:45.
No crossfence - road intersect Rhi Admuse singing
answered by bird to East. Silent at 7:54
7:57 Admuse sang tree - ---- 6/2 x 20 yds
SE of juniper-like shrub - lone male? Answer from
E along road. At 8:00 exchange of song and vetuet
notes a few yards E of slashed mesquite - pair?
on both sides of road. Exchange of calls continued
- caller and silent mate on S side of road E of slashed
mesquite exchanging calls with bird to SW. I watched
former as they swung inward 10 yards S of road then
NW across road. One started call see see ai-vut-out
the last 2 notes somewhat cupled giving "swing" to end
of call. This call duplicated by bird due S of
position at 8:08. I checked on latter after 8:10
and located bird - mate present.
Song to NE at 6:14 so I followed up but bird became
silent N of road so I abandoned chase.
I walked along road - song NW of slashed mesquite at
8:23 geta - ---- no answer. I proceeded to juniper-
like shrub and then N thru brush Song to E, the 8:23
singer presumably the 8:08 S of road. Silent at 8:27
I ran into a pair foraging, the O working mesquite
stretches, the & shrub branches near ground. I shot at
& after it sang in tree and missed. She flew S and
save vet vet call, I followed here in circle to