Japanese white-eyes (Zosterops japonicus) are main flower visitors of Taxillus kaempferi (Loranthaceae) in a temperate forest in central Japan.
Reference source
Funamoto D & Sugiura S (2017) Japanese white-eyes (Aves: Zosteropidae) as potential pollinators of summer-flowering Taxillus kaempferi (Loranthaceae). Journal of Natural History 51:1649-1656. (https://doi.org/10.1080/00222933.2017.1339366)