![Two undergraduates are working on the device they created to measure the cardinal direction of flight of a moth. One undergrad is adjusting the moth attached to the device; the other undergraduate is checking the computer to make sure it is ready to record data](https://blogs.iu.edu/sciu/files/2018/06/IMG_4435-1d13xnk-e1529334611198.jpg)
Scientists have long been interested in understanding animal migration, but gathering migration data proved difficult in the past. For example, the process of catching and recapturing migratory songbirds using mist nets is a laborious process. In the past, recovering songbirds produced data only about the breeding location and their migration destination, and rarely about the migration itself. Studying… Read more »