It's 3 am and the cacophony surrounds me. I lie in my tent in the low angled light of a 24-hour sun, listening to the calls of Cackling Geese, Long-Tailed Ducks, Pacific Loons, Lapland Longspurs and shorebirds. Lots of shorebirds. Black-bellied Plovers, Dunlin, Semipalmated Sandpipers, and numerous …