IMG_4409

IMG_4409

Observation - IMG_4409. Description: Approx. 15 of these objects found in blue tit box when clearing it out in Jan. No birds nested there last year. Have these been part of a food store for another species such as a mouse?

Approx. 15 of these objects found in blue tit box when clearing it out in Jan. No birds nested there last year. Have these been part of a food store for another species such as a mouse?