Cave swallow

Game Object Data
	[CREATURE:BIRD_SWALLOW_CAVE] [NAME:cave swallow:cave swallows:cave swallow] [TILE:249][COLOR:0:0:1] [VERMIN_GROUNDER][FREQUENCY:100] [FLIER] [SMALL_REMAINS] [SPEED:400] [PETVALUE:30][NATURAL][PET_EXOTIC] [NOT_BUTCHERABLE] [PREFSTRING:coloration] [ALL_ACTIVE] [BIOME:FOREST_TEMPERATE_BROADLEAF] [STANDARD_FLESH] [HOMEOTHERM:10071] [LAYERING:100] [SWIMS_INNATE][SWIM_SPEED:2500] [POPULATION_NUMBER:250:500] [MUNDANE]

Cave swallows are vermin birds that live in temperate broadleaf forests and underground. They are exotic pets, so you need a dungeon master to tame them. They are much smaller and nowhere near as dangerous as their larger kin, the Giant cave swallow.