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265 results
New Zealand Mudsnail. Robyn Draheim/Center for Lakes and Reservoirs

invasive

New Zealand Mudsnail

Mollusk - Potamopyrgus antipodarum

North American Racer, Jasper Shide, CC0

invasive

North American Racer

Reptile - Coluber constrictor

Northern Bobwhite, Steve Maslowski, FWS

invasive

Northern Bobwhite​​

Bird - Northern Bobwhite​​

Northern Clearwater Crayfish, aahlfield, USGS

invasive

Northern Clearwater Crayfish

Crustacean - Orconectes propinquus

Northern Crayfish, Casey D Swecker

invasive

Northern Crayfish

Crustacean - Orconectes virilis

Northern Cricket Frog, Christina Butler, CC4

invasive

State Special Concern

Northern Cricket Frog

Amphibian - Acris crepitans

Northern Grasshopper Mouse. Juan Cruzado Cortes. CC BY-SA.

invasive

Northern Grasshopper Mouse

Mammal - Onychomys leucogaster

Northern Leopard Frog, Jessica Bolser, FWS

invasive

State Special Concern

Northern Leopard Frog

Amphibian - Rana/Lithobates pipiens

Ornate Box Turtle, Aaron Drew, FWS

invasive

State Special Concern

Ornate Box Turtle

Reptile - Terrapene ornata