Wisconsin has no ocean. And yet, when a 56-foot gray whale named Clara shows up in a school gymnasium, kids hug her nose. Unprompted. Instinctively. With the kind of affection children reserve for things that feel alive. This is what ocean conservation education looks like in a landlocked state.

Nick Isaaksson is the gym teacher at East Elementary in Jefferson, Wisconsin. He had the presence of mind to check the fisheye security camera on the morning of May 19th and send me what he saw. I have been doing this for fifteen years. I have never seen myself from above before.

Gray whales are among the most fascinating animals on Earth. They hold the record for the longest mammal migration, feed by vacuuming the ocean floor, and produce milk so thick it barely flows. Here is everything you need to know about one of the ocean's most surprising creatures.