Seção de Aves, Museu de Zoologia da Universidade de São Paulo (MZUSP), Caixa Postal 42594, CEP 04263-000, São Paulo, Brazil..
Zootaxa. 2021 Apr 6;4951(2):zootaxa.4951.2.6. doi: 10.11646/zootaxa.4951.2.6.
The nine currently recognized subspecies in the Brown Tinamou (Crypturellus obsoletus) complex are disjunctly widespread in South America, and at least three of them occur in Brazil. Morphological diagnosis of most of these taxa is imprecise, in contrast with consistent vocal differences described in the literature. We conducted a taxonomic review of two Amazonian taxa, C. o. griseiventris and C. o. hypochraceus, using morphological, morphometric, and vocal characters. Our results indicate that C. o. hypochraceus (Miranda-Ribeiro, 1938) is a junior synonym of C. o. griseiventris (Salvadori, 1895), and that Crypturellus griseiventris (Salvadori, 1895) must be treated as a full species, based on unique and fully diagnosable plumage and vocal patterns.
棕灶鸟（Crypturellus obsoletus）复合体中目前公认的 9 个亚种在南美洲广泛分布，其中至少有 3 个亚种出现在巴西。与文献中描述的一致的声音差异相比，这些分类群中的大多数在形态学诊断上并不精确。我们使用形态学、形态计量学和声音特征对两种亚马逊分类群，即 C. o. griseiventris 和 C. o. hypochraceus 进行了分类学审查。我们的结果表明，C. o. hypochraceus（Miranda-Ribeiro，1895）是 C. o. griseiventris（Salvadori，1895）的同物异名，并且根据独特且完全可诊断的羽毛和声音模式，Crypturellus griseiventris（Salvadori，1895）必须被视为一个完整的物种。
