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Arca

Eurasian jay

Garrulus glandarius

Conservation status IUCN: Least concern· LC
Eurasian jay (Garrulus glandarius)
Photograph from Wikimedia Commons · Wikipedia article (it)

Where the name comes from

Garrulus is “chatterer”, from garrire: anyone who has heard its screech in a silent wood knows why. Glandarius comes from glans, the acorn, and says the rest — the Italian name translates exactly the second half of the binomial. It is a crow dressed as an exotic bird, with a patch of blue feathers barred with black that in the Middle Ages were used to tie fishing flies.

Facts

Group
Birds · Aves
Order
Passerines
Habitat
Oak and beech woodland, parks, wooded gardens
Range
Europe, North Africa, Asia as far as Japan
Size
32–35 cm, wingspan 45–58 cm, 140–190 g
Diet
Acorns, beech mast, insects, eggs and nestlings in spring
Lifespan
5 years in the wild

Characteristics

  • 01

    It carries as many as nine acorns at a time in its throat and bill.

  • 02

    It imitates the buzzard’s call to scatter other birds.

  • 03

    It rubs ants through its plumage to rid itself of parasites.

What sets it apart

It is the reason Europe has oaks. A single jay buries up to five thousand acorns in one autumn, one at a time, scattered over square kilometres, and forgets a share of them: those sprout far from the mother tree, which is the only way an oak can move. When the ice retreated, oaks marched up Europe at a speed no model could explain by acorns simply falling to the ground. The explanation had wings.

Next species

Western jackdaw

Corvus monedula