Heart rates of Steller sea lions drop slowly and oscillate while diving

Key Points

• Heart rates of Steller sea lions oscillate significantly during dives, indicating a unique physiological response.
• The heart rate drops slowly, reflecting their diving behavior and adaptations to underwater conditions.
• Observational analysis used specialized monitoring techniques during diving activities of Steller sea lions in the wild.
• Findings imply important insights into the adaptations of marine mammals for survival during prolonged underwater activity.