Birds of the Lower Uruguay (Concluded). Walter B. Barrows, The Auk, Vol. 1, No. 4 (Oct., 1884), description # 206, page 318, doi:10.2307/4067223 (Stable URL)
On the alimentary canal of the Martineta Tinamou (Calodromas elegans). FE Beddard, Ibis, Volume 32, Issue 1, January 1890, pages 61–66 , doi:10.1111/j.1474-919X.1890.tb06466.x
Birds of the Lower Uruguay (Concluded). Walter B. Barrows, The Auk, Vol. 1, No. 4 (Oct., 1884), description # 206, page 318, doi:10.2307/4067223 (Stable URL)