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The City of Portland, Oregon

Environmental Services

working for clean rivers

Phone: 503-823-7740

Fax: 503-823-6995

1120 SW 5th Ave, Suite 613, Portland, OR 97204

More Contact Info


Beaver, Muskrat and Nutria Identification

The difference between beavers, muskrats and nutria

Bats of Oregon

ODFW's handout about bats of Oregon