Migrating gray whales are a common sight in the nearshore waters of the Pacific Coast, and two of the region’s national parks are whale watching hotspots. Now the timing of the gray whale migrations has shifted perceptibly, fewer whales are passing close to shore, and whale watchers will need to be more flexible.

Halloween is the day after tomorrow, so let’s turn to the scarier side of national park visitation for this week’s quiz. Answers are at the end, but please don’t peek. Cheaters never prosper – unless, of course, they work on Wall Street.