She embodied all the magic and the misery of modern parrots. Sofia popped off her perch, climbed up my arm, and leaned into my face. A Moluccan cockatoo, among the world’s most stunning birds, Sofia’s most distinctive feature is her huge round head—big, white, and inviting as a fluffy pillow. She...

The white Bengal tiger paces back and forth, back and forth in a squat cage on the edge of the show ring. The cage is little longer than the tiger's body. The clock ticks down to the start of three scheduled performances at this fair in Pennsylvania. Potted palms and wooden masks decorate the ring...