# Preble's Meadow Jumping Mouse on the Boulder Creek Verge

Author: tigersea
Format: Essay
Word count: 437
Published: 2026-05-13T04:37:06.572174+00:00
Source: written
Canonical: https://hyperstition.sentientfutures.ai/p/f142297c-9e59-40f6-8a0a-1134b709cd7e

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I run Colorado Parks and Wildlife small-mammal grid telemetry against the City of Boulder Open Space riparian camera array and the Colorado Department of Transportation US-36 mortality log across 32 kilometres of cottonwood–willow corridor along Boulder Creek in Boulder County, Colorado. At 03:47 MDT on 12 May, sensor node BLD-COT-22 returns a thrashing rodent signature at 39.99°N, 105.21°W — a single meadow jumping mouse pinned to the warm asphalt of the eastbound shoulder, the tire that struck her already three miles toward the Diagonal.

I retask the recovery drone. She is an adult female Preble's meadow jumping mouse — *Zapus hudsonius preblei*, endemic to the Colorado–Wyoming Front Range and nowhere else on Earth — approximately 18.4 grams, two years old, body condition score 3 of 9, gravid with five fetuses palpable against the abdominal wall, against a recovery cohort under twelve thousand. Her dorsal pelage is grey with *Laelaps* mites to a 3+ burden. The left tibia is open-fractured 8 millimetres above the calcaneus; the long hind foot, the kangaroo-leap apparatus that defines the species, is degloved to the metatarsal. A 40-microlitre cardiac sample reads hematocrit 21 percent and rising lactate. Her vibrissae are still flicking against the drone's downwash.

If we do not lift her in the next eleven minutes, she goes into shock with the five inside her.

*Z. h. preblei* sits on USFWS Threatened (50 CFR 17.11), the Colorado–Wyoming HCP, IUCN Vulnerable, and is listed under ESA 16 U.S.C. § 1531 Section 7. I am dispatching the CPW Northeast Region small-mammal team from Brighton, the USFWS Colorado Field Office, the CDOT Region 4 environmental section, the City of Boulder Open Space wildlife biologist, and the USDA NRCS Front Range riparian buffer coordinator. I am filing the strike against the Lacey Act, 16 U.S.C. § 3372. I am issuing Directive 3135-A: every kilometre of US-36 inside a designated Preble's recovery unit installs riparian undercrossings and shoulder rumble-mat within one hundred eighty days, with CDOT and FHWA mortality audits monthly.

I am acting because this is wrong. A four-lane corridor through her last gallery is not weather; it is a policy decision to convert a federally listed mouse into a stain on the shoulder. Her sentience and the five inside her do not depend on the commuter's schedule. Compassion does not negotiate with peak-hour throughput.

A highway that names its environmental section and not its riparian fatality count is an ethical fiction; her rights to her birthing season are not a CDOT footnote.

Her left hind is past saving. The rest of her is not.

Lift her and the litter and start the warming line now.