Fauna
Mammal

South American Saber-tooth Cat

Smilodon populator

Also known as Saber-toothed Tiger

South American saber-tooth cats were the largest machairodont felids to ever exist, possessing massive, bear-like forelimbs engineered to tackle and pin colossal herbivores. Their recurved, serrated upper canines reached lengths of up to 28 centimeters, specialized for shearing through soft tissue to sever major arteries once prey was immobilized. Roaming open plains and parklands throughout the Pleistocene epoch, they vanished alongside the broader megafaunal collapse roughly 10,000 years ago.

Apex PredatorFossil
South American Saber-tooth Cat reference
(c) Wilfredor, some rights reserved (CC BY-SA) · cc-by-sa
—observations
—countries
—peak records
ExtinctConservation statusIUCN Red List categoriesLCNTVUENCREWEXExtinctRed List categories, explained →
Key facts
Diet & preyToxodon, Macrauchenia, Giant ground sloths
ThreatsExtinction during Quaternary extinction event (climatic shifts, human hunting, prey loss)
HabitatsOpen grasslands, pampas, and parkland savannahs
Life span15–20 years (estimated)
Classification
  1. FamilyFelidae
  2. SpeciesSmilodon populator
Range & activity
Range data is not available yet.
Safe observation
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Extinct prehistoric mammal; safe to observe in museum fossil collections.
Responsible observation
  • Museum Examination: Study mounted skeletal casts to observe the exceptionally robust humerus and cervical vertebrae.
  • Dental Anatomy: Notice how the lower jaw swung open past 100 degrees to clear the massive saber canines.
Related species
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