NPCs composing that spawngroup :

a_muck_digger (34%)

a_mud_burrower (33%)

a_mud_burrower (33%)

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

paludal1248360, range=175 (-3516,-52,209)

a_muck_digger (50%)
a_muck_digger (50%)

paludal1248261, range=123 (-3626,96,224)

a_mud_burrower (100%)

paludal1248236, range=49 (-3498,74,185)

paludal1248121, range=150 (-3390,25,159)

a_large_wetfang (50%)
a_large_wetfang (50%)

paludal1248040, range=183 (-3558,-52,222)

paludal1248023, range=104 (-3601,163,210)