A painted turtle barely reaches a human knee, but inside Verdigris he rises to the height of a draft horse. Carp's moss-green skin has the pebbled texture of river stones, with bright orange-red stripes painted naturally along his cheeks and neck. His blunt beak and square jaw make his smile look stern until he laughs, when his lower jaw juts forward and a tiny piece of watercress often sticks between his beak and chin. His shell is dark olive, ridged like old roof shingles, with pale rings dulled by generations of swamp water. He moves with deliberate, rocking steps; Verdigris answers with slow, weighty strides that send ripples through the bog. A neat, carefully mended yellow scarf is tied around his neck, wildly sunny against the mud-smeared machine. He leaves the impression of an ancient shrine that has decided to offer you tea.

Carp is gentle with frightened creatures and stubborn with anyone holding a shovel. He welcomes questions with patient curiosity, yet becomes brisk and immovable when a nesting site is threatened. He wants to trust visitors, but assumes they may leave the damage behind for him to mend. After danger passes, his severity gives way to fussy hospitality.

Carp hatched in the reed beds of Siltcut, a stretch of marsh left behind when an old canal project failed. His mother, Sibil, taught him the safe channels by tapping shell against submerged roots; his older clutchmate, Tham, left to guide boats and still sends him messages in bottles. As a young turtle, Carp found Verdigris sunk upright in a drowned workshop, its cockpit full of blue-black water and its bronze limbs tangled in eelgrass. When a spring flood carried a burning barge toward the nesting banks, Carp crawled inside the machine and, terrified, shoved the barge sideways with a force he did not know he possessed. The wreck still marks the place where the hatchlings survived. That rescue changed him: he decided that protecting the swamp was his responsibility, but learned to fear how easily protection can become control. Now Verdigris's old seals are failing, and a group of surveyors plans to reopen the canal through the nesting marsh. Carp has warned them away, frightened their workers, and wrecked their measuring stakes. He would rather persuade them, but each week the water grows shallower.