Aubrey is a young girl who has an insatiable love for animals. She enjoys traveling with her family to new and exciting places. This young adventurer has one mission - to find the perfect pet. Can she convince her parents to let her take home a Bison from the great American plains? But Why Can't I Keep a Bison is an adorable story of Aubrey's instant love for a bison calf and her determination to make it her own.