Whether a species thrives or flags can have resounding consequences. When we think of our changing world, we imagine an ecosystem occupied by organisms which are interlinked.
Fitness for birds in warming Alaska
Jonathan Perez stands in a remote part of Alaska’s North Slope while White-Crowned Sparrows sing from surrounding shrubs and a Jaeger flies overhead, calling. Perez is listening to the bird calls, recording what species sound out and how many individuals are singing. Next to him, an automated device is attempting to do the same.