| The birk held a high place in the secret rites and customs of the Ballad Age. |
| The six stoups are a group of standing stones by the main Guisborough to Whitby road at the top of Birk Brow on the A171 outside Guisborough. |
| Plant species that can be found at Hannah''s Meadow at Low Birk Hat Farm include wood cranesbill, marsh marigold, globe-flower and yellow rattle. |
| The present day Newlands valley settlements of Keskadale, Skelgill, Birk Rigg, High Snab and Uzzicar all have their name origins from the early Viking settlers. |
| It was a good hour's walk from the cromlechs to birk Water, the lake where they intended to pick the rushes. |
| A fox was caught on Birk Fell, near Tilberthwaite, and a second got away after the pack met a group of walkers and the hounds lost the scent. |