Marley loudly proclaimed his arrival and proceeded to take over the room. I couldn’t tell if the shrill squawks were a reggae imitation of his namesake, Bob Marley, but they sure left an impression. I met Marley, an endangered Northern Rockhopper penguin, at Moody...

Skimming across the snow-covered landscape near Fairbanks, Alaska, in a small sled pulled by eight athletic Alaskan huskies was an exhilarating experience that you don’t get in my native Kentucky. It’s also an experience you don’t get in Alaska unless you go during...