Skip to content U.S. Department of Transportation/Federal Highway AdministrationU.S. Department of Transportation/Federal Highway Administration

Office of Planning, Environment, & Realty (HEP)
PlanningEnvironmentReal Estate

HEP Events Guidance Publications Awards Contacts

Paw Print Wildlife and Highways: An Overview Tortoise Underpasses Badger Tunnels Four Tools to Assess Wildlife Linkage Areas Programs to Remove Fish Passage Barriers Bear Underpasses Salamander Tunnels Passages for Large Mammals Goat Underpasses Computer Model Highway-Wildlife Relationships Amphibian-Reptile Wall and Culverts An Overpass for Animals and Humans
PreviousPrevious Photo Photo Credits NextNext Photo

Photo of a Papillose Tail-Dropper

Four Tools to Assess Wildlife Linkage Areas 13 of 44
Photo of a Papillose Tail-Dropper
Photo by John Applegarth

The papillose tail-dropper is a 1/2-inch-long (12-millimeter-long) slug, brown with bumps ("papilla") and black spots. It can drop and regenerate its tail as a defensive tactic against predators. Old forests offer the tail-dropper the dampness and food (fungi) it needs.

Four Tools to Assess Wildlife Linkage Areas | Table of Contents
Previous Photo | Photo Credits | Next Photo

HEP Home Planning Environment Real Estate
Federal Highway Administration | 1200 New Jersey Avenue, SE | Washington, DC 20590 | 202-366-4000