Thorius macdougalli

{{Short description|Species of amphibian}}

{{Speciesbox

| image =

| status = EN

| status_system = IUCN3.1

| status_ref = {{cite iucn |author=IUCN SSC Amphibian Specialist Group |date=2020 |title=Thorius macdougalli |volume=2020 |page=e.T59415A53986035 |doi=10.2305/IUCN.UK.2020-3.RLTS.T59415A53986035.en |access-date=14 November 2021}}

| taxon = Thorius macdougalli

| authority = Taylor, 1949

}}

Thorius macdougalli, commonly known as MacDougall's pigmy salamander, is a species of salamander in the family Plethodontidae. It is endemic to Oaxaca, Mexico, and is known from Cerro de Humo (its type locality) and Sierra de Juárez.{{cite web |url=http://research.amnh.org/vz/herpetology/amphibia/Amphibia/Caudata/Plethodontidae/Hemidactyliinae/Thorius/Thorius-macdougalli |title=Thorius macdougalli Taylor, 1949 |author=Frost, Darrel R. |year=2015 |work=Amphibian Species of the World: an Online Reference. Version 6.0 |publisher=American Museum of Natural History |accessdate=13 July 2015}} Its natural habitat is pine-oak forest, but it also occurs in degraded habitats. It is threatened by habitat loss caused by clear-cutting and livestock grazing.