Silver Gull

Chroicocephalus novaehollandiae

The silver gull is a gull in Oceania. It is the most common gull of Australia. It has been found throughout the continent, but particularly at or near coastal areas. It is smaller than the Pacific gull, which also lives in Australia. Source

Where it is now

In the last 8 weeks this bird was recorded 1,354 times across 17 areas (each area is a 5 degree square).

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Movement and weather

Over the weeks it was present in the past year, its centre in Oceania ranged from 41°S in September to 19°S in October, about 2,500 km apart.

Arrival dates

The week it was first heard regularly in each region, after at least six weeks away. Dates differ from south to north, so a region has a range.

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Figures are effort corrected and come from automatic sound identification, which makes mistakes. How this is measured and how it compares with human observers.