Adelie Penguin Colony Daily Observations and Morphological Measurements

15 colonies were selected for daily monitoring of nests, eggs, chicks, and adult penguins at Cape Bird. SCIOPS researchers conducted 24-hour diurnal observations on three occasions, recording 13 distinct activity categories every 5 minutes. The study, updated in 1979, included detailed morphological measurements from 10 live penguins and a post-mortem examination of one individual.

Use Cases

• Model chick mortality rate based on nest location (periphery vs. core) and daily weight measurements.
• Analyze diurnal activity patterns (e.g., leaving colony, feeding, fighting) across incubation, guard, and feeding stages.
• Correlate morphological features like bill length and foot length with observed aggressiveness in non-breeders.
• Map skua predation pressure by analyzing cause of death records for eggs and chicks relative to established territories.

Strengths

• Daily observations across 15 distinct penguin colonies.
• 24-hour diurnal activity logs with 13 categorized behaviors recorded every 5 minutes.
• Detailed morphological data collected from 10 live penguins and one post-mortem specimen.

Limitations

• Sample size for detailed morphological analysis is limited to 10 individuals.
• Temporal coverage is confined to a single season, with comparative data from Cape Hinode from an earlier, unspecified season.
• Unknown total row count and specific column structure.

Provenance

Source

SCIOPS via NASA EarthData.

Collection Method

Field population study involving daily nest observations, mapping, timed activity sampling, and physical measurements.

Time Range

Study period culminating in 1979.

Freshness

Data is from 1979 and is not updated.

Geography

Adelie penguin colony at Cape Bird, Antarctica.