Marie Read / Blue jay (Cyanocitta cristata) holding an acorn in its bill whilst perched on tree stump, with autumn foliage, New York, USA, October.

Marie Read / Blue jay (Cyanocitta cristata) portrait, New York, USA, October.

George Sanker / Blue Jay (Cyanocitta cristata). Acadia National Park, Maine, USA. May.

George Sanker / Blue jay (Cyanocitta cristata) Acadia National Park, Maine, USA May

Marie Read / Blue jays (Cyanocitta cristata) two fledglings beg by fluttering wings at adult (center bird), New York, USA.

Barry Mansell / Blue jay (Cyanocitta cristata), North Florida, USA, April.

Marie Read / Blue jay (Cyanocitta cristata) perched amongst autumn foliage, New York, USA, October.

Marie Read / Blue jay (Cyanocitta cristata) perched amongst autumn foliage, New York, USA, October.

Marie Read / Blue jay (Cyanocitta cristata) in flight carrying acorn for winter storage, New York, USA, September.

Lynn M. Stone / Blue jay (Cyanocitta cristata) perched on branch in snow, Milford, Connecticut, USA. January.

Joel Sartore / Photo Ark / Northern blue jay (Cyanocitta cristata bromia) looking around, profile. Captive.

Tim Laman / Blue jay (Cyanocitta cristata) perched on branch in woodland edge in snowstorm, Lexington, Massachusetts, USA. October.