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Brazilian free-tailed bat, BT Hamilton, NPS

invasive

Brazilian Free-Tailed Bat

Mammal - Tadarida brasiliensis

brown bullhead illustration by Joseph R. Tomelleri

invasive

Brown Bullhead Catfish

Fish - Ameiurus nebulosus

Brown-headed cowbird, Mike Carlo, USFWS, PD

invasive

Brown-headed Cowbird

Bird - Molothrus Ater

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Burrowing owl, USFWS, PD

invasive

State Threatened

Burrowing Owl

Bird - Athene cuniculalria

California Kingsnake. NPS.

invasive

California Kingsnake

Reptile - Lampropeltis californiae

California myotis, USGS, Western Ecological Research Center

invasive

California Myotis

Mammal - Myotis californicus

This species needs a photo.

invasive

Causey’s Crayfish

Crustacean - Orconectes causeyi

Chihuahuan Nightsnake. Mike Swink/NPS.

invasive

Chihuahuan Nightsnake and Desert Nightsnake

Reptile - Hypsiglena jani and Hypsiglena chlorophaea