Thats because the ringnecks and garters tend to be a communal snake. Multiple female ringnecks even lay eggs in the same spot!!
The large colubrids are not a communal snake, the only time you will find them together are for mating purposes.
The cons far outweigh the pros for keeping multiple snakes in the same enclosure. That horse has been beat to death on here!
Brian
>>on almost every herping hike I find more than one together under stuff..Sometimes as many as five or six snakes together..I usually find more groups then singles..These are mostly ringnecks and garters but Ive found those little fivelined snakes together on occasion as well...
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RATS
2.0 Corn snakes "Warpath" & "Thunderbird" (KY locale)
1.0 Black rat snake "Havok" (KY locale)
1.1 Black rat snakes "Reaper and Mystique" (MO locale)
1.0 Albino Black rat snake "Malakai" (Dwight Good stock)
1.0 Everglades rat snake "Deadpool" (Dwight Good stock)
0.1 Greenish rat snake "Rogue" (Dwight Good stock)
1.0 Great plains rat snake "Reign Fire" (TX locale)
1.0 Grey rat snake "Punisher" (White oak phase)(Dwight Good stock)
RACERS
1.0 Eastern Yellow Belly racer "Nightcrawler" (MO locale)
KINGS
1.1 California king snake "Bandit" & "Moonstar" (Coastal phase)
1.1 Prairie king snakes "Bishop" & "Askani" (KY locale)
0.1 Black king snake "Domino" (KY locale)
1.1 Desert Kingsnakes "Gambit" & "Psylocke"
0.1 Florida Kingsnake "Shard"
MILKS
1.0 Eastern/red Milk intergrade "Cable" (KY locale)
1.0 Eastern/Red Milk intergrade "Omega Red" (KY locale)
BULLS/GOPHERS/PINES
0.1 Sonoran Gopher "Husk"
Good luck and Happy Herping
Brian