Mammals
Patagonian Opossum
Lestodelphys halli
Hunting small vertebrates across the cold, arid Patagonian steppe, a Patagonian opossum ranges further south than any other marsupial species found anywhere in the Americas, despite remaining one of the least-studied mammals on the continent.
Overview
The Patagonian opossum, Lestodelphys halli, is a Least Concern mammal native to grassland and desert habitat across the cold, arid steppe of Patagonia. Its status as the southernmost-ranging marsupial in the Americas, its rarity in scientific observation, and its unusually robust, predatory build make it one of the more mysterious small mammals found anywhere in South America.
A marsupial built for the cold
While most marsupials remain confined to warmer climates further north, the Patagonian opossum has pushed the entire marsupial lineage further south than any other species, surviving conditions that would challenge many better-known cold-adapted mammals.
Status
Least Concern, though population data remains limited due to the species’ rarity in observation, with no significant documented conservation threats at this time.
Patagonian Opossum: common questions
Why is the Patagonian opossum considered a record holder?
This species ranges further south than any other marsupial species found anywhere in the Americas, tolerating the cold, arid conditions of the Patagonian steppe.
Why is so little known about the Patagonian opossum?
This species is rarely observed in the wild, leaving much of its basic behaviour and population size poorly documented compared with better-studied South American mammals.
What does the Patagonian opossum eat?
This species is a carnivore feeding on small mammals, birds, and invertebrates, hunted actively across open Patagonian terrain rather than relying on a purely opportunistic diet.
Is the Patagonian opossum active during the day?
No, this species is active mainly at night, a common strategy among small predatory mammals avoiding both larger predators and extreme daytime temperatures.