Alnus japonica Alder Male Catkins

These are male catkins of an East Asian alder tree (Alnus japonica). These catkins are highly prized food among Pteromys volans orii flying squirrels.

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Image Size: 8256x5504 / 130.3MB; https://www.photoshelter.com/support/license#rm; https://www.tony-wu.com/contact-tony-wu; Plant Japanese Alder Plantae Tracheophyta Magnoliopsida Fagales Betulaceae Alnus japonica East Asian Alder Han-no-ki Catkin Pacific Japan Hokkaido
Contained in galleries: Flying Squirrels, Japan

These are male catkins of an East Asian alder tree (Alnus japonica). These catkins are highly prized food among Pteromys volans orii flying squirrels.