May 2023 • Nebraskaland 23
TOP: Nebraska's playa wetlands and other wetlands in the state are a critical stopover point for whooping cranes during
spring and fall migration. There are currently less than 800 whooping cranes left in the wild. ETHAN FREESE
ABOVE, LEFT: While many of the plants found in playa wetlands thrive, including smartweed, their seeds are unable to
germinate underwater. Because of this, periodic dry cycles are necessary or these species would disappear. MARIAH LUNDGREN
ABOVE: Deep cracks form in the
soil of a playa wetland. When
water fl ows down these cracks,
it helps to recharge underlying
groundwater, including the
Ogallala Aquifer. ETHAN FREESE
LEFT: Blue-winged teal
researchers monitor this species
across their fl yway from South
Dakota to Louisiana. The playas
in Nebraska provide a critical
stopover point for this species
and many other species of birds
and ducks. ETHAN FREESE