Pinyon Jay

Gymnorhinus cyanocephalus

The pinyon jay is a species of jay, and is the only member of the genus Gymnorhinus. Native to Western North America, the species ranges from central Oregon to northern Baja California, and eastward as far as western Oklahoma, though wanderers are often sighted beyond this range. It is typically found within foothills, especially where pinyon pines occur. Source

Where it is now

In the last 8 weeks this bird was recorded 341,801 times across 12 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 30°C (typically 27 to 31°C, from 6 areas). That holds across 15° of latitude, which suggests its timing follows temperature more than the calendar.

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.