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543 / Cenozoic
Llallawavis
Llallawavis scagliai
Its complete inner ear reveals sensitivity to relatively low-frequency sound.
- Time range
- About 3.5 million years ago
- Final stage
- Late Pliocene
- Geographic range
- Open grassland · Argentina
01 / DEFINITION & ECOLOGY
What was Llallawavis?
Llallawavis (Llallawavis scagliai) was an extinct organism known from About 3.5 million years ago, with a range in Open grassland · Argentina.
Life and ecology
It ran across grassland and struck or tore small vertebrate prey with a strong beak.
02 / DISAPPEARANCE
Why did Llallawavis disappear?
Late Pliocene climate and the Great American Biotic Interchange altered competition.
03 / EVIDENCE
How do scientists know about Llallawavis?
A near-complete skeleton preserves hearing and vocal structures.
04 / SOURCES & FURTHER READING
Check the source record
Use the scientific name to compare taxonomy, occurrence records and the fossil record. Database coverage and classifications may differ.
05 / REVISION HISTORY
How has this record changed?
- Verified authoritative entity sources and added three responsive reconstruction sizes.
- Initial bilingual species record published.
06 / CORRECTIONS & ADDITIONS