Eurasian Jay

• Many of the acorns it buries are never recovered, and end up germinating.
• It can mimic the calls of other birds, including raptors such as the buzzard.
• It eats acorns and other nuts, insects, and the eggs and chicks of other birds.
• comportamientoIt can bury thousands of acorns each autumn in separate caches and remember roughly where a good many of them are through the winter.

Skeleton type

Vertebrate - pneumatised bony skeleton (bird)

Habitat and environment

Deciduous and mixed woodland, oak in particular, across much of Europe and temperate Asia

Birth weight

Tiny, blind and featherless at hatching

Size at birth

Tiny at hatching

Sexual maturity

2 years

Gestation / incubation

16-19 days (usual reference 16-18 days)

Litter / clutch size

4 to 6 eggs per clutch

Sources consulted: Birdfact · AnAge (genomics.senescence.info) · A-Z Animals · Dibird.com · MammalWeb · Animalia.bio · Songbird Survival · Animal Diversity Web · PMC (jay predation case report)

Best time: All year round; it is most visible in autumn, when it carries and buries acorns without a pause.