Original account 159 · seb_species_0159

Slaty Bristlefront

merulaxis ater

Rhinocryptidae

From the original CD

Complete decoded account text

18 cm. Both sexes have stiff bristle-like, erect plumes on the sides of the forehead. Iris dark brown. <NMale is mostly bluish slate black with the lower back, rump and sides of the belly dark brown. <N The female is brown above. Below cinnamon rufous, the sides of the belly brown. Song is a long sequence of melodical whistles about 4 per second, starting loud and high in pitch and becoming softer and lower in pitch, often going on for many seconds. Call is a repeated metallic "tick". Walks rail-like on the ground, usually staying well hidden in the vegetation. In humid lowland primary and secondary rain forest, humid dense scrub and old plantations. Quite common in the forests of the coastal area, but also found further inland, e. g. in the Serra Mantiqueira. Throughout. Sea level to 1300 meters in the<8E>Serra Mantiqueira<8E>. 13583 Song after playback. Rio Escuro near Ubatuba. Overgrown banana plantation, scrub. Some clouds, humid, 30<91>C. 11<10>11<10>93: 6712 Calls after playback. 11<10>11<10>93, Rio Escuro near Ubatuba. Second growth, scrub. Some clouds, humid, 30<91>C.: 8617 Calls. Ubatuba, 10<10>28<10>98, secondary dense rain forest, cloudy, 27<91>C: 12366 Song, Rio Escuro near Ubatuba. 11<10>11<10>93. Secondary forest. With /Dysithamnus stictothorax, Automolus leucophthalmus .: 15634 Song. Rio Escuro, near Ubatuba, 11<10>22<10>98. Sunny, 20<91>C. Secondary forest. With /Myiodynastes maculatus, Vireo olivaceus, Thraupis cyanoptera .: 10626 Call and song. Rio Escuro, near Ubatuba, 10<10>13<10>99. Sunny, 27<91>C. Secondary forest. With /Vireo olivaceus, Hemitriccus furcatus .: 10850 >:

Character status: partial decoder; angle-bracket byte markers are preserved

Recovered structure; field assignment may be heuristic

Structured account sections

Description

18 cm. Both sexes have stiff bristle-like, erect plumes on the sides of the forehead. Iris dark brown. <NMale is mostly bluish slate black with the lower back, rump and sides of the belly dark brown. <N The female is brown above. Below cinnamon rufous, the sides of the belly brown.

Voice

Song is a long sequence of melodical whistles about 4 per second, starting loud and high in pitch and becoming softer and lower in pitch, often going on for many seconds. Call is a repeated metallic "tick".

Habitat and status

Walks rail-like on the ground, usually staying well hidden in the vegetation.

Distribution

In humid lowland primary and secondary rain forest, humid dense scrub and old plantations. Quite common in the forests of the coastal area, but also found further inland, e. g. in the Serra Mantiqueira.

Additional notes

Throughout. Sea level to 1300 meters in the<8E>Serra Mantiqueira<8E>.

Structure status: heuristic; decoded_account_text and segment JSON remain authoritative

Release-specific historical evidence — the three releases remain separate; none is canonical

Release history

This work was published as three separate releases: the Disc 3 release first, the Disc 2 release later, and the Disc 1 release in 2011. Differences between them are historical release differences and are never merged.

  • Disc 3 in this release's bird list (aux_nonzero;local_checklist_byte45_flag_1)
  • Disc 2 in this release's bird list (aux_nonzero;local_checklist_byte45_flag_1)
  • Disc 1 (2011) in this release's bird list (aux_nonzero;local_checklist_byte45_flag_1)

The account in the Disc 1 (2011) revision

Historical taxonomy

WORLD

merulaxis ater

Slaty Bristlefront

Rhinocryptidae

Tapaculos

CLEMENTS

merulaxis ater

Slaty Bristlefront

Rhinocryptidae

Tapaculos

AOU_HM

merulaxis ater

Slaty Bristlefront

Rhinocryptidae

Tapaculos

Recordings

13583.mp3

13583 Song after playback. Rio Escuro near Ubatuba. Overgrown banana plantation, scrub. Some clouds, humid, 30<91>C. 11<10>11<10>93

Historical relationship: account_audio; status: retained_v1_0_1; source order: 1.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/13583.mp3

6712.mp3

6712 Calls after playback. 11<10>11<10>93, Rio Escuro near Ubatuba. Second growth, scrub. Some clouds, humid, 30<91>C.

Historical relationship: account_audio; status: retained_v1_0_1; source order: 2.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/6712.mp3

8617.wav

8617 Calls. Ubatuba, 10<10>28<10>98, secondary dense rain forest, cloudy, 27<91>C

Historical relationship: account_audio; status: retained_v1_0_1; source order: 3.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/8617.wav

12366.wav

12366 Song, Rio Escuro near Ubatuba. 11<10>11<10>93. Secondary forest. With /Dysithamnus stictothorax, Automolus leucophthalmus .

Historical relationship: account_audio; status: retained_v1_0_1; source order: 4.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/12366.wav

15634.mp3

15634 Song. Rio Escuro, near Ubatuba, 11<10>22<10>98. Sunny, 20<91>C. Secondary forest. With /Myiodynastes maculatus, Vireo olivaceus, Thraupis cyanoptera .

Historical relationship: account_audio; status: retained_v1_0_1; source order: 5.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/15634.mp3

10626.wav

10626 Call and song. Rio Escuro, near Ubatuba, 10<10>13<10>99. Sunny, 27<91>C. Secondary forest. With /Vireo olivaceus, Hemitriccus furcatus .

Historical relationship: account_audio; status: retained_v1_0_1; source order: 6.

Classification: high; match: exact_unique.

Recovered path: original-cd/CD02/WBIRD/WAV/10626.wav

Images

Historical image associated with Slaty Bristlefront
10850.jpg
10850 >
Historical relationship: account_image; status: retained_v1_0_1; source order: 7.
Classification: high; match: exact_unique.
Recovered path: original-cd/CD02/WBIRD/PICTURE/10850.jpg

Historical roles and later listening remain separate

Layered media evidence

content_100_441001

Historical/review role: review_identification

Label: Merulaxis ater

Evidence layer: human_review; certainty: definite.

content_441002_wav

Historical/review role: historical_target

Label: MERULAXIS ATER

Evidence layer: historical_source.

Listening observation HRO_SCAN_0030

Listening interpretation: Merulaxis ater

Relationship to historical evidence: no_historical_label

Identification certainty: definite

Transcription certainty: clear

Evidence class: handwritten_original

Source details

About this page

Type of page
species
Page address
/species/seb_species_0159/
Item reference
seb_species_0159
Information status
mixed -- see per-section status labels above