Fossil evidence suggests that dinosaurs inhabited a range of environments, from arid deserts to humid rainforests. For example, the discovery of dinosaur fossils in the Sahara Desert has revealed a complex ecosystem that existed during the Cretaceous period. Sedimentary rocks from this period, such as sandstones and mudstones, provide clues about the environmental conditions under which these ecosystems developed.

The field evolves monthly. If you download a from 2010, it will claim Spinosaurus was a wading heron. A PDF from 2024 will argue it was a fully aquatic, paddle-tailed pursuit predator. Here are three current debates you will find in recent PDFs:

: Studying eggshells and skeletal maturity to understand dinosaur life cycles.

Uncovering the Secrets of Dinosaur Paleobiology: A Comprehensive Guide to PDFs