. . . . . . . . . "Sitta pygmaea" . . "Pinus ponderosa" . . "R.Fisher. 2017. Sitta pygmaea interaction->visited plant Pinus ponderosa. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9215364> 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." .