A study published in Behavioral Ecology and Sociobiology by Sonja Wild and Lucy Aplin of the Max Planck Institute for Behavioural Biology, in Radolfzell, Germany, shows that, given the chance, they decorate their nests with this season's must-have colour.

德国拉多夫泽尔马克斯·普朗克行为生物学研究所的索尼娅·威尔德和露西·阿普林在《行为生态学和社会生物学》上发表的一项研究表明，只要有机会，山雀就会用当季的流行配色来装饰它们的巢。