Turnbull during the spring is an exceptional time of year to see an abundance and diversity of wildflowers and wildlife. Numerous waterfowl are common during the spring migration and congregate on the 300 plus wetlands found on the Refuge. The migration usually begins in March at the time of spring break up. Tundra swans, Canada geese, northern pintails, American widgeon, canvasbacks, ring-necked ducks and goldeneyes are some of the species that are often seen during this time period. The spectacular western bluebird also arrives at this time with many other migrating song birds soon to follow. The Refuge offers a plethora of wildflowers that peak in mid May. Arrowleaf balsamroot, camas, prairie star and lomatium are just a few examples of the beautiful flora found on Turnbull.