
Cretaceous Birds in Mexico: Why Tracks Are Not Species
Bones and bird-like tracks document a recurring presence in Late Cretaceous Mexico, but footprints alone cannot securely identify biological species.
Fossils from Montana and new material from Oregon expand a little-known late Oligocene rodent genus and support a cautious interpretation of habitat specialisation.

Bones and bird-like tracks document a recurring presence in Late Cretaceous Mexico, but footprints alone cannot securely identify biological species.
The biggest finds of the week. Strictly scientific, never boring.
DinosaursBones and bird-like tracks document a recurring presence in Late Cretaceous Mexico, but footprints alone cannot securely identify biological species.
Fossil FindsFossils from Montana and new material from Oregon expand a little-known late Oligocene rodent genus and support a cautious interpretation of habitat specialisation.
Selected finds become cinematic expeditions. The channel expands the strongest stories from the magazine.