Monk parakeets have “voiceprints” just like humans

A very interesting discovery as reported by Salon:

Previously, it was thought that these birds introduced themselves to other monk parakeets with a sort of "catchphrase" that distinguished their identity. However, after running the vocalizations collected in this study through the program, a team led by Simeon Smeele, a doctoral student at Aarhus University in Denmark, found that the birds actually had "voiceprints" like humans that identify themselves in the group. Read more.