(Can the snakes get out of the pit? Also, squabbit-powered machinery!)
Spriggans...
-Attempt to find flintstones for making fires.
-Construct shovels at the Weapon Manufactory.
-Make mild blinding poison from soaked Cyclombers at the Alchemy Station.
>If a failure, try to make potions that enhance sight.
-Experiment with more local plants at the Alchemy Station.
-See if the Squabbit eats mulched, cooked Cyclomber.
>If successful, construct wooden cages and trap more of them.
-Send scouts to find nearby points of interest.
-Put firewood and tinder all around the snake pit for future termination.
(EDIT: Added a task)