AUTHOR=Hill Heather M. , Nollens Hendrik 

TITLE=Providing Belugas (Delphinapterus leucas) in Controlled Environments Opportunities to Thrive: Health, Self-Maintenance, Species-Specific Behavior, and Choice and Control

JOURNAL=Frontiers in Psychology

VOLUME=10

YEAR=2019

URL=https://www.frontiersin.org/journals/psychology/articles/10.3389/fpsyg.2019.01776

DOI=10.3389/fpsyg.2019.01776

ISSN=1664-1078