This 6 February 2019 video says about itself:
Plush-crested jay, Cyanocorax chrysops stores food in secret places, for when food will be lacking.
Recanto Ecológico Rio da Prata, Jardim, Mato Grosso do Sul, Brazil.
In northern Europe and Asia, Eurasian jays store, eg, acorns, to still have food in winter. In the Brazilian Amazonian rainforest, there is no winter. Still, there may be difficult times, as this South American relative of Eurasian jays knows.