Graham Chisholm is the Executive Director of Audubon California, the California branch of the organization that helps to track the 20 billion or so birds “on the move” throughout the U.S. Being springtime, birdwatching — one of the fastest-growing hobbies around — is in full swing throughout California and the U.S. Graham Chisholm is the Executive Director of Audubon California, the California branch of the organization that helps to track the 20 billion or so birds “on the move” throughout the U.S. Being springtime, birdwatching — one of the fastest-growing hobbies around — is in full swing throughout California and the U.S.