
Gyldenstolpia fronto
Photo: (c) Lucasdod61, some rights reserved (CC BY-SA)
Overview
The fossorial giant rat is a species of rodent in the family Cricetidae. It is found in Argentina and Brazil but was determined extinct following a recent assessment of the conservation status of sigmodontine rodents. Its natural habitat is assumed to be dry savanna, but there have been no ecological details reported.
Gyldenstolpia fronto faces severe population decline due to extensive deforestation and agricultural conversion throughout its limited range in the Atlantic Forest of southeastern Brazil. Mining activities and urban expansion have further fragmented the remaining forest patches, isolating small populations and reducing genetic diversity. The species' specialized habitat requirements and apparent low reproductive rate make recovery particularly challenging even in protected areas.
Habitat
This species inhabits primary and secondary Atlantic Forest (Mata Atlântica) in southeastern Brazil, typically found in humid montane forests between 800-1,500 meters elevation. It appears to require dense canopy cover and may be associated with specific microhabitat conditions within the forest understory.
Other threatened species in CRICETIDAE
Threatened in Argentina
Frequently asked questions
Why is Gyldenstolpia fronto classified as Critically Endangered?
Where does Gyldenstolpia fronto live?
What are the main threats to Gyldenstolpia fronto?
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