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Thanksgiving and Day After Office Closures -

Colorado Parks and Wildlife offices, including park visitor centers, will be closed on Thursday, November 28, and Friday, November 29. No park pass is required to enter any state park on Friday November 29th for Fresh Air Friday. 

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265 results
Woodhouse's Toad, Sam Stuckel/USFWS

invasive

Woodhouse's Toad

Amphibian - Bufo/Anaxyrus woodhousii

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This species needs a photo.

invasive

Wrinkled Marsh Snail

Mollusk - Lymnaea (Stagnicola) caperata

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Yellow Mud Turtle, Mark Watson/CC BY-NC-ND 2.0

invasive

State Special Concern

Yellow Mud Turtle

Reptile - Kinosternon flavescens

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USDA

invasive

Yellow Starthistle

Plant - Centaurea solstitialis

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Yellow-bellied Marmot, Wayne D. Lewis

invasive

Yellow-Bellied Marmot

Mammal - Marmota flaviventris

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Quagga mussels. NPS

invasive

Zebra and Quagga Mussels

Mollusk - Dreissena polymorpha / Dreissena bugensis

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