The Sooretama Slaty-Antshrike (Thamnophilus ambiguus) is a species of bird

Bird

Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

 in the Thamnophilidae family. It is endemic to coastal regions of eastern Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

 between Sergipe

Sergipe

Sergipe , is the smallest state of the Brazilian Federation, located on the northeastern Atlantic coast of the country. It borders on two other states, Bahia to the south and west and Alagoas to the north, and to the east is the Atlantic Ocean...

 and São Paulo

São Paulo (state)

São Paulo is a state in Brazil. It is the major industrial and economic powerhouse of the Brazilian economy. Named after Saint Paul, São Paulo has the largest population, industrial complex, and economic production in the country. It is the richest state in Brazil...

. It was previously included in the widespread Slaty Antshrike (T. punctatus), but following the split, this scientific name is now restricted to the Guianan Slaty-Antshrike.

It occurs at low levels in forest and woodland, especially, but not exclusively, humid.