. . . . . . . . . "Poecile atricapillus" . . "Malus fusca" . . "Mike Patterson. 2016. Poecile atricapillus associated species with names lookup Malus fusca. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/4235069> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .