ear tag

noun

1. an identification tag fastened to the ear of an animal.

Example Sentences

She was given an ear tag and a GPS collar, West said, and moved into Angeles National Forest.

From Los Angeles Times

The male bear, now known as BB-12, was captured last week in the western Santa Monica Mountains, where National Park Service biologists attached an ear tag and GPS radio collar to the 210-pound animal, according to an NPS news release.

From Los Angeles Times

Colleagues then took the kittens a short distance away and did a workup — which involves a physical exam, where body measurements are recorded, and attaching an ear tag — before the mother returned.

From Los Angeles Times

"It's very friendly, but it doesn't have an identifying ear tag so we don't know who it belongs to," a spokeswoman said.

From BBC

The captured animals are marked with a microchip and ear tag and released.

From New York Times