EUGENE CODE 4.365 Care of Stray Animals. All persons must turn over stray animals to the Animal Regulation Authority immediately after the person exercises authority over the animal or must notify the Animal Regulation Authority of the description of the animal and the address where the animal is being kept and retain possession of the animal for three days after the Animal Regulation Authority is so notified.
LANE CODE 7.040 Care of Stray Animals. All persons must turn over stray animals to the Animal Regulation Authority within twenty-four (24) hours after the person exercises control over the animal or must notify the Animal Regulation Authority of the description of the animal and the address where the animal is being kept and retain possession of the animal for three days after the Animal Regulation Authority is so notified. A violation of LC 7.040 constitutes a Class B Violation.
Per State Code: ownership can not be established until 90 days has passed.
Check the local newspapers under the Lost Pet section. Place a found ad if you can.