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Terrestrial Garter Snake, Dan Johnson, NPS

invasive

Terrestrial Garter Snake

Reptile - Thamnophis elegans

Horned Lizard, Wayne D. Lewis

invasive

State Special Concern

Texas Horned Lizard

Reptile - Phrynosoma cornutum

Texas Threadsnake, LA Dawson, CC BY-SA 2.5

invasive

State Special Concern

Texas Threadsnake

Reptile - Rena dulcis

Tiger Salamander, NPS

invasive

Tiger Salamander

Amphibian - Ambystoma tigrinum

Townsends big-eared bat, NPS

invasive

State Special Concern

Townsend's Big-Eared Bat

Mammal - Corynorhinus townsendii pallescens

Opossum, Diane Borden-Billiot.

invasive

Virginia Opossum

Mammal - Didelphis virginiana

Water fleas. Rosser1954 CC SA 4.0

invasive

Water Flea; Spiny Water Flea; Fishhook Water Flea

Crustacean - Daphnia lumholtzi; Bythotrephes longimanus; Cercopagis pengoi

This species needs a photo.

invasive

Water Nymph Crayfish

Crustacean - Orconectes nais