Image: Leaellynasaura skull cast
Leaellynasaura amicagraphica skull (cast), showing eye socket and brain with optic lobe clearly visible. Original fossil found Dinosaur Cove, Victoria, Early Cretaceous, 106 million years ago.
- © Australian Museum
This species had enlarged eyes and optic lobes, typical of living animals with good night-vision. These may have been adaptations for surviving the dark polar winters in Victoria during the Early Cretaceous.