Oncilla (Leopardus tigrinus)
MammalWild catVulnerable

Oncilla / little spotted cat (Leopardus tigrinus).
Image: Sandyyeh.w, CC BY-SA 4.0, via Wikimedia Commons.
Overview
The oncilla (Leopardus tigrinus), also called the little spotted cat or tigrina, is one of the smallest wild cats in the Americas — a slender, delicate creature only a little larger than a domestic cat, with a tawny coat patterned in dark rosettes and spots and a long tail. It belongs to the same group of small Neotropical cats as the ocelot and margay, which it closely resembles in miniature.
The oncilla is shy, nocturnal, and one of the least-known of all cats; even its classification is still being worked out, with what was long treated as one species now thought to include more than one. As with several small cats, dark (melanistic) individuals occur.
Conservation note: the oncilla is classified as Vulnerable, with declining populations. Verify current status and the latest taxonomy at authoritative sources.
Habitat & Range
Oncillas live in Central and South America, in a range of forest and scrub habitats — montane cloud forest, rainforest, dry forest, and savanna woodland — with different populations favouring different environments. They depend on natural habitat with good cover and are sensitive to its loss and fragmentation.
Diet
The oncilla is a carnivore that hunts small prey — rodents and other small mammals, birds, lizards, and invertebrates. Small and agile, it forages mostly at night, taking prey on the ground and in low vegetation, and it climbs well. Its diet of abundant small animals suits its delicate build.
Behavior
Oncillas are solitary, secretive, and mainly nocturnal, which — together with their small size and forest home — makes them very hard to observe, so much of their natural behaviour is still poorly known. They are agile climbers as well as ground hunters. Their spotted coat provides camouflage in dappled forest light, and melanistic (all-dark) individuals are not uncommon. The oncilla's taxonomy has been repeatedly revised: studies suggest the traditional “oncilla” actually comprises more than one species (such as a northern and a southern form), and research into where one ends and another begins is ongoing.
Human Interaction & Conservation
The oncilla is classified as Vulnerable and declining, threatened mainly by deforestation and habitat fragmentation, along with historical hunting for fur, road deaths, and pressures from expanding farmland and settlement. Its small populations, patchy distribution, and unresolved taxonomy complicate conservation. As a wild cat, it is not suited to life as a pet. Consult the IUCN Red List for current status.
More photos of the oncilla

Oncilla (Leopardus tigrinus), a melanistic individual.
Image: Noah Israel, CC BY-SA 4.0, via Wikimedia Commons.
Frequently Asked Questions — Oncilla
How big is an oncilla?
Is the oncilla one species or several?
Why is the oncilla so little known?
Is the oncilla endangered?
Sources and further reading
Authoritative wildlife references used for general educational context. Conservation status should always be verified against current IUCN Red List data. External links open in a new tab.
- UniversityAnimal Diversity Web — Leopardus tigrinus (oncilla) — University of Michigan species account
- ReferenceEncyclopaedia Britannica — Animals reference — Editor-reviewed encyclopedia overview entries
- Wildlife referenceIUCN Red List of Threatened Species — Authoritative source for current conservation status

