Beastie:
Scottish National Dictionary (1700–)
BEASTIE, n., dim. of beast. [′bisti]
1. Familiar and affectionate contraction of beast.
Bestiary:
Oxford English Dictionary (1884–)
BESTIARY, n., [ˈbɛstɪəri]
1. a descriptive or anecdotal treatise on various kinds of animal, especially a medieval work with a moralizing tone.
An investigation into the folklore and monsters of Scotland by collecting stories and tales of creatures and illustrating one a day, every day in November 2020.
The Sluagh The Redcap The Levallan The Grey Man of Ben MacDui The Ghillie Dhu The Selkie The Finman Cait Sith Baobhan Sith The Changeling Bean-Night Beithir Blue Men of the Minch Cu Sith The Fachan The Galloway Puma Gigelorum Kelpies The Loch Ness monster Muckle Black Tyke The Spunkie