CreatureDisplayID

Display IDs are models with optionally a texture applied, most of them can be found in

Shows a murloc on the frame in the Character Pane, which has model and texture /run CharacterModelFrame:SetDisplayInfo(31)

Display IDs:

• Returned from various in-game APIs.
• Viewable in-game with addons like rIngameModelViewer which use

By NPC ID:

• They can be parsed from CreatureCache.wdb which can optionally be populated by tooltip scanning for hyperlinks.
• https://www.wowhead.com/npcs - Datamined list of NPCs, available in the html page source by looking for "displayId"
• https://wow.tools/db/creatures.php - Datamined list of NPCs.