Marshall (1942) Catharus aurantirostris Vide Santa Ana: One of the commonest and least conspicuous species in the area. 1st sp. Taken on top Jeco in a ravine choked with sm cypress trees & vines. I thought I was trailing a Mountain Chickadee from the song which was similar to the chickadee's 3 note song except very faint and lisped. Of the hundreds heard subsequently, there were rendered every combination of 3 or 4 week lisped notes & little twangs or thrush-like vibrations in between but never anything better than this squeaky faint performance. The birds give a great deal of singing all day long but the song can't be heard for more than 50 yds. Van R. has it confused with Myadestes botteri. pg 454. Birds gained generally. Can tell sexes in field. Found them in great variety of habitats but always in dense brush and vine tangles and usually in open. However in the spacious park-like forest of Carriel Azuela they were abundant in