Pseudasthenes Derryberry et al. 2010

Ref. tape 6A 17-22, 31-43

Responding to song broadcast. Same individual as XC21785. The birded began by giving these simple trills and then started to add more variation. bird-seen:yes playback-used:yes

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

The bird was singing these calls meanwhil it is foraging inside a patch of bushes. bird-seen:yes playback-used:no

Response to play back

bird-seen:yes playback-used:no

bird-seen:yes playback-used:no Recording (not its ID) has been discussed. See the forum.

The bird was seen forraging inside a bush. No playback used. bird-seen:no playback-used:no

The bird was seen forraging inside a bush. No playback used. bird-seen:no playback-used:no

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

Recorded along the side of the road in an area with thick brush and low trees. Equipment: Olympus LS-10 and a Sennheiser MKE-400 microphone. Modifications to the file: cropped at the end. Human voices are also audible in the background. bird-seen:yes playback-used:yes

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

Recorded along the side of the road in an area with thick brush and low trees. Photographed. Equipment: Olympus LS-10 and a Sennheiser MKE-400 microphone. Modifications to the file: cropped at the end. Human voices are also audible in the background. bird-seen:yes playback-used:yes

The bird was singing these calls meanwhile was is foraging inside a patch of bushes. bird-seen:yes playback-used:no

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

rpb From Bird Sounds of Southern South America by Lopez-Lanus (2008)

Pair 3 in response to playback of song from San Luis. On red soil. bird-seen:yes playback-used:yes

Pair 4 in response to playback of song from San Luis. On or near red soil. bird-seen:yes playback-used:yes

Bird from pair 2 in response to playback of song. On red soil. Birds in all 4 territories rarely and only briefly responded to playback of song with song, but all came in immediately, responding agitatedly with calls. See also under Remarks to XC 457371. Compare with chatter of Asthenes dorbignyi XC457375. bird-seen:yes playback-used:yes

Pair 2 in response to playback of song from San Luis. Third cut is end of song given in long low flight. On red soil. bird-seen:yes playback-used:yes

pair 1. Natural song at dawn. Quebradas in red soil with "monte" vegetation (Larrea, cacti, scattered Prosopis trees, mostly bare soil). Often out on bare soil away from vegetation. Noticeably long-tailed with bright rufous in wings and tail. When feeding in bushes or small trees often near tips of branches. Ignacio Areta noted that some individuals, including some of the ones we saw that day and the next had throat patch. bird-seen:no playback-used:no

Same bird as recorded at 06:36 hrs (pair 1). In response to playback of song from San Luis. On red soil. bird-seen:yes playback-used:yes