Dave Bevan / Slow motion clip of two pairs of Jackdaws (Corvus monedula) squabbling over nest site, Worcestershire, England, UK, May.

Philippe Clement / Flock of Jackdaws (Corvus monedula) congregating at dusk at communal roost, Belgium, December.

Philippe Clement / Jackdaw (Corvus monedula) pulling up a peanut string to feed, Belgium

Nick Upton / Flock of Jackdaws (Corvus mondedula) taking off from their roost site, Gloucestershire, England, UK, December.

Jussi Murtosaari / Jackdaw (Corvus monedula) flockin flight with two Hooded Crows (Corvus cornix) and the moon, central Finland, March.

Edwin Giesbers / Jackdaw (Corvus monedula) searching for ticks on Red deer (Cervus elaphus) stag resting in grassland. Richmond Park, London, England, UK.

Ernie Janes / Jackdaw (Corvus monedula) feeding on farmland, Norfolk, England, UK. May.

Ernie Janes / Jackdaw (Corvus monedula)perched on farmland fence, Norfolk, England, UK. May.

Oscar Dewhurst / Red Deer (Cervus elaphus) stag and Western jackdaw (Corvus monedula) picking ticks from its ear. Richmond Park, London, UK. September. Cropped

Oscar Dewhurst / Red deer (Cervus elaphus) stag and Western jackdaw (Corvus monedula) picking ticks off deer's face. Richmond Park, London. September

Ernie Janes / Jackdaws (Corvus monedula) pair preening each other, Norfolk, England, UK, January.

Ernie Janes / Jackdaw (Corvus monedula) fighting on farmland, Norfolk, England, UK, January.