Juvenile King Penguin Diving Behavior at Crozet Islands

17 one-year-old king penguins and 5 non-breeder adults were tracked using miniaturized tags transmitting diving activity in real time. The data reveals two distinct juvenile groups based on foraging performance, with one group showing progressive improvement in dive depth and duration linked to survival.

Use Cases

• Analyze the relationship between diving depth, duration, and survival outcomes in the two identified juvenile groups.
• Compare recovery durations and dive profiles (depth and duration) between the surviving juvenile group and non-breeder adults.
• Model the progression of diving performance over the first months at sea to identify critical thresholds for juvenile survival.

Strengths

• Longitudinal data tracking 17 juvenile penguins during their critical first months at sea.
• Includes a comparative control group of 5 non-breeder adults equipped with identical tags.
• Data transmitted in real-time via miniaturized tags, providing immediate behavioral logging.

Limitations

• Small sample size of 17 juveniles and 5 adults limits statistical power and generalizability.
• Geographic scope is restricted to the Crozet Islands subantarctic archipelago.
• Specific metrics like row count, column details, and file formats are not provided in the input.

Provenance

Source

Dryad, authored by Florian Orgeret.

Collection Method

Data gathered via miniaturized tags that transmitted diving activity in real time from instrumented penguins.

Time Range

Covers the first months at sea for the juvenile penguins.

Freshness

Last updated 2020-06-24.

Geography

Crozet Islands, a subantarctic archipelago.