Unprecedented numbers of gray whales are visiting San Francisco Bay, and no one knows exactly why
When Bill Keener began working as a field biologist at the Marine Mammal Center in the 1970s, there were no whales or dolphins in San Francisco Bay. The waters east of the Golden Gate Bridge were teeming with life—sea lions and seals galore—but not a single cetacean in sight. Things started to change from the … Read more