Pinyon Jay

Gymnorhinus cyanocephalus

Photos courtesy of Bryce Marshall

A Pinyon Jay perches on a snow-covered Ponderosa Pine branch.

An immature Pinyon Jay, with a more gray coloration than the adults.

Adult Pinyon Jays show the brightest blue on the head.

An adult Pinyon Jay, blue overall.

Here, a bird's 9th primary is being measured.

During banding, a variety of measurements are taken on each bird, including upper mandible length.