A fascinating discovery on the Isle of Skye in Scotland has provided a rare peek into the Middle Jurassic period, known for its limited fossil records. Researchers found numerous dinosaur tracks on a remote intertidal platform, Prince Charles’s Point, which was once a subtropical lagoon over 167 million years ago. This find sheds light on the behavior and environment of the dinosaurs that roamed this area long ago.

The site contains 131 dinosaur tracks preserved in fine-grained sandstones from the Kilmaluag Formation, dating back to the Late Bathonian stage of the Middle Jurassic. These sandstones belong to an ancient lagoon system, characterized by shallow freshwater. According to a study published in the journal PLOS One, the tracks are located in specific sedimentary layers, primarily in beds 2 and 5, which suggest a dynamic environment periodically influenced by small rivers and seasonal drying.
The reconstructed environment indicates lush vegetation, including conifers and giant ferns, alongside traces of fish and terrestrial pollen. Interestingly, marine life indicators were absent, highlighting the freshwater nature of this lagoon.
One unique aspect of this find is the predominance of theropod tracks over sauropod ones, which is not typical for such settings. The tracks are attributed mainly to large theropods, with some footprints showing evidence of complex interactions, such as a theropod footprint overlapping with that of a sauropod. Dr. Stephen Brusatte from the University of Edinburgh emphasized that finding such tracks is rare and provides direct evidence of dinosaur behavior.
The theropod tracks measure up to 53 cm long, while the sauropod tracks can be as wide as 50 cm. Some previously misidentified as fish burrows have been correctly categorized as tracks, underscoring the need for careful analysis in paleontology.
At the site, the footprints are found across different layers, allowing scientists to study how dinosaurs moved through the area. For example, in one section, researchers discovered tracks overlapping, suggesting that these dinosaurs walked the same paths within a short time frame. This discovery indicates a form of behavior where multiple dinosaurs used the same routes repeatedly.
To accurately document these tracks, researchers employed drone technology to capture thousands of high-resolution images. This data was transformed into detailed 3D models, enhancing the understanding of the footprints’ morphology and contributing to a comprehensive analysis of the site. They cataloged each footprint for future studies, ensuring that the findings can be further explored and compared with other dinosaur tracks worldwide.
The work was part of a collaborative effort supported by the PalAlba team, with funding from the National Geographic Society. By making their datasets available through the Dryad database, they encourage ongoing research and a broader understanding of these ancient creatures.
In summary, this discovery on Skye not only adds to our knowledge of the Middle Jurassic but also underscores the importance of advanced technology in paleontological research. It serves as a reminder of the intricacies of dinosaur behavior and their environments, much more than what can be learned from bones alone.
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