Fort Benning, Georgia, is one of the most active military bases in the world. But its thousands of acres also contain longleaf pine forests where endangered Red-cockaded Woodpeckers nest. It takes years for a woodpecker to excavate a nest cavity. To help the species, biologists climb high…

In 2017, researcher Sunny Tseng traveled from her home in Taiwan to the Arctic tundra to record the calls of the birds that breed there. She learned that navigating the wind-blown, marshy tundra is no easy task. Yet Tseng found and recorded one of her target birds: the Ross’s Gull, a rare…