NPCs composing that spawngroup :

a_Krag_chick (100%)

NPCs spawning around that spawngroup :
(Max range : 200)

butcher_159, range=173 (2037,-40,-37)

a_rock_spiderling (100%)

butcher_143, range=35 (2240,-77,15)

a_large_skunk (100%)
a_large_skunk (100%)

butcher_87, range=197 (2024,-165,-14)

a_worker_scarab (100%)

butcher_44, range=138 (2323,-157,37)

a_snake (100%)

butcher_37, range=145 (2349,-68,41)

a_bat (50%)
a_giant_bat (50%)

butcher_31, range=163 (2349,-8,43)

butcher_3, range=71 (2274,-71,17)