孤䳍現時因城市化、工業化、農業發展及建設道路不斷的伐林而受到威脅。牠們因過度獵殺,世界自然保護聯盟將牠們列為近危[1],其分佈地只有990000平方公里。[10]以往分類為T. s. pernambucensis的群族已經非常罕有或已消失。北方的群族亦很稀有,歷史上就只有不多於6個標本。[1][4][6]
^ 3.03.1Davies, S.J.J.F. Tinamous. Hutchins, Michael (编). Grzimek's Animal Life Encyclopedia. 8 Birds I Tinamous and Ratites to Hoatzins 2. Farmington Hills, MI: Gale Group: 57–59. 2003. ISBN 0 7876 5784 0.
^Harrison, Colin; Greensmith, Alan. Non-asserines. Bunting, Edward (编). Birds of the World First. New York, NY: Dorling Kindersley. 1993: 42. ISBN 1 56458 295 7.
^ 6.06.16.2Cabot, José. Solitary Tinamou. del Hoyo, Josep; Elliott, Andrew & Sargatal, Jordi (eds.) (编). Handbook of Birds of the World (Volume 1: Ostrich to Ducks). Barcelona: Lynx Edicions. 1992: 127, Plate 6. ISBN 84-87334-10-5.