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# Where Are All of Washington’s Dinosaurs?
- URL: https://www.cascadepbs.org/show/mossbacks-northwest-2/episode/where-are-all-of-washingtons-dinosaurs-n9ypkp/
- Published: 2024-04-02T23:10:11.000Z
- Updated: 2025-10-10T11:08:46.000Z
- Description: Only one dinosaur bone has been found in Washington. Here’s why.
- Author: Cascade PBS Staff
- Tags: Mossback's Northwest, Season 1, Episode 14, #ZZZ_Episode_5c53d17c-bbd2-47bc-ab40-88b74be479c9, #episode, #ZZZ_Show_50744e68-2011-417f-9f73-f880b010d33f, #v1.16

In 2015, scientists found the first — and only — dinosaur fossil in Washington state. It was the partial thigh bone of a theropod — a group that includes raptors, T-Rex, and modern birds. Dinosaur fossils have been found in every state in the west, and Washington has plenty of mammoth, mastodon, and giant sloth bones. Why is evidence of dinosaurs so rare here?