First-year sperm whale calves echolocate and perform long, deep dives

Funding: Field research was supported by an FNU large frame grant and a Villum grant to PTM and by a Carlsberg Foundation expedition grant and an FNU fellowship from the Danish Council for Independent Research supplemented by a Sapere Aude Research Talent Award to SG. PT supplemented funding through support from the Oticon Foundation, the Augustinus Foundation, the Danish Tennis Foundation, and the Danish Acoustical Society Foundation.