after he pleaded guilty to picking up a bison calf on may 20 causing the animals herd to reject it according to the us attorneys office in wyoming elk calf and mother nuzzle in yellowstone national park in this undated stock photo another bison calf was euthanized in 2016 after a visitor placed it in his car and it was rejected by its herd a tourist takes a selfie standing dangerously close to a bison in yellowstone national park wyoming on may 20 2023 if you ever see someone putting themselves or wildlife in danger speak out and call 911 to alert law enforcement immediately