Dickcissel

Spiza americana

The dickcissel is a small seed-eating migratory bird in the family Cardinalidae. It breeds on the prairie grasslands of the Midwestern United States and winters in Central America, northern Colombia, and northern Venezuela. It is the only member of the genus Spiza, though some sources list another supposedly extinct species. Source

Where it is now

In the last 8 weeks this bird was recorded 1,781 times across 19 areas (each area is a 5 degree square).

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Movement and weather

Each season it is first heard regularly where daytime highs are around 24°C (typically 19 to 28°C, from 15 areas).

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.