NPCs composing that spawngroup :

Burynai_burrower (50%)

Burynai_Excavator (50%)

NPCs spawning around that spawngroup :
(Max range : 100)

kurn_30, range=82 (201,-152,-22)

kurn_31, range=71 (202,-137,-22)

kurn_32, range=72 (128,-151,-23)

Burynai_Excavator (100%)

kurn_34, range=14 (156,-98,-103)

lesser_charbone_skeleton (100%)

kurn_37, range=64 (146,-147,-104)

kurn_38, range=56 (172,-137,-104)

kurn_39, range=83 (76,-113,-105)

kurn_40, range=9 (153,-74,-104)

kurn_56, range=98 (171,14,-120)

kurn_57, range=66 (188,-26,-118)

greater_scalebone (100%)

kurn_75, range=99 (248,-49,-118)

Burynai_sapper (50%)
lesser_icebone_skeleton (50%)

kurn_76, range=79 (223,-41,-118)

Burynai_excavator (50%)
Burynai_sapper (50%)

kurn_97, range=41 (128,-51,-49)

kurn_98, range=64 (104,-44,-49)

kurn_99, range=75 (124,-14,-49)

kurn_107, range=36 (121,-71,-24)

kurn_109, range=27 (143,-108,-24)

kurn_114, range=11 (162,-92,-24)

kurn_178, range=99 (116,-175,124)

kurn_180, range=81 (81,-49,129)

a_skeletal_cook (25%)
thick_boned_skeleton (75%)

kurn_182, range=45 (137,-42,9)

scalebone_skeleton (100%)