Mysterious 215-Million-Year-Old Birdlike Footprints Baffle Scientists in Lesotho

Mysterious 215-Million-Year-Old Birdlike Footprints Baffle Scientists in Lesotho

Janet Carey
Janet Carey
2 Min.
A large dinosaur holding a bird in its mouth, surrounded by other dinosaurs, plants, trees, and flying birds, with text at the bottom.

Mysterious 215-Million-Year-Old Birdlike Footprints Baffle Scientists in Lesotho

Footprints resembling bird tracks have been uncovered in Lesotho, dating back roughly 215 million years. These prints appeared long before the first birds existed, raising questions about the animals that left them behind. Researchers from the University of Cape Town led the study at the Maphutseng site. The footprints were found along a 260-foot stretch of rock and named Trisauropodiscus. They displayed birdlike features: slender toes, a wide splay of outer digits, and a central toe that barely extended forward. Yet these tracks were made 60 million years before the earliest known bird ancestors, such as Archaeopteryx, which lived around 150 to 160 million years ago.

Two distinct groups of prints were identified. One set closely matched modern waterbird tracks, while the other resembled dinosaur footprints but with birdlike hip structures. Miengah Abrahams and Emese Bordy, the researchers behind the discovery, noted that the animals responsible were not birds. Their exact identity remains unclear. The findings suggest that birdlike feet evolved independently in other animal groups before true birds appeared. However, further research is needed to pinpoint which creatures left these ancient marks.

The discovery challenges previous assumptions about the evolution of birdlike features. The footprints provide physical evidence that such traits existed in non-bird species far earlier than once thought. Scientists now aim to uncover more details about the unknown animals behind these prints.