Black Cockatoo Breeding Sites Buffered to 2 Kilometers

Geospatial data on confirmed breeding attempts for Black-Cockatoos, primarily Carnaby's, with records starting in 2003. Surveys infer breeding from observations of birds entering nests or sightings of eggs or chicks, with most activity recorded during the peak September to January season. Each breeding site is buffered to a 2-kilometer radius.

Use Cases

• Analyze spatial clustering of breeding sites to identify critical habitat zones for conservation planning.
• Model temporal breeding patterns using survey dates starting from 2003 to assess seasonal or annual trends.
• Overlay the 2-kilometer buffered breeding site polygons with land-use or vegetation maps to evaluate habitat threats.

Strengths

• Data collection began in 2003, providing a multi-year temporal scope for analysis.
• Records are specifically for confirmed breeding attempts, a key biological indicator.
• Spatial features are buffered to 2 kilometers, standardizing the area of influence for each site.

Limitations

• Records represent breeding attempts, not confirmed successful fledging of chicks.
• Survey effort is inconsistent, with some nests surveyed once and others revisited annually, creating potential detection bias.
• The dataset is focused on a specific species group (Black-Cockatoos, generally Carnaby's), limiting broader avian applicability.

Provenance

Source

Department of Biodiversity, Conservation and Attractions, authored by Geoff Barrett.

Collection Method

Inferred from surveys recording birds entering/leaving nests or direct observation of eggs/chicks.

Time Range

Surveys from 2003 onward, with peak records from September to January annually.

Freshness

Last updated March 2026.

Geography

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