White-breasted Tapaculo

12 cm. Lower mandible yellow. <NMale is bluish gray above. Rusty on lower back and rump. Throat, breast and belly white, the sides of breast bluish gray and the sides of belly and crissum chestnut, barred black. <NFemale is dark brown above. Below like the male. <NImmature is brown above, coarsely barred buff and dusky below ^44 . Song is an amphibian-like low guttural ascending trill "arrrrrrrrrrrrrrrr", apparently similar to the call of the toad Proceratophrys boiei, ^70 , an inhabitant of the Atlantic rainforest.<N Contact call is a sequence of about 10 "tshe" calls starting very slow and accelerating like a steam engine, therefore the name "trenzinho" little train cut 3 . Alarm call a "teck", often uttered at 1 sec intervals for a long time. Foraging in the interior of dense thickets close to the ground. Uncommon in very dense vegetation and thickets within forest or at forest borders. Apparently not particularly attracted to bamboo stands. Throughout.<8E>Fazenda Intervales, Itatiaia<8E>. In Rio de Janeiro at about 1000 meters. Further south at lower levels. 10779 Song. Fazenda Intervales, 11<10>29<10>97. Sunny, 27<91>C. Primary forest. With /Chiroxiphia caudata, Attila phoenicurus .: 1937 Song. Fazenda Intervales, 11<10>30<10>97. Sunny, 27<91>C. Primary forest edge. With /Saltator fuliginosus, Pachyramphus castaneus, Attila rufus, Lipaugus lanioides .: 9511 "Trenzinho" call. Jureia-Peruibe, 10<10>13<10>99. Sunny, 20<91>C. Scrub in secondary forest close to brook. Note that the accelerating call sequence is 1x repeated and that in each separate event the call of /Tolmomyias sulphurescens can also be heard two times superimposed on the accelerating indigoticus call.: 11694 Calls. Fazenda Intervales, Carmu Road. 10<10>24<10>00. Cloudy, 20<91>C. Primary forest <10> bamboo thickets: 3278 Song, Fazenda Intervales, Carmu Road. 10<10>24<10>00. Cloudy, 20<91>C. Primary forest <10> bamboo thickets. With /Turdus rufiventris .: 12416 >. Male: