. . . . . . . . . "Spinus psaltria" . . "Helianthus tuberosus" . . "sea-kangaroo. 2014. Spinus psaltria feeding on Helianthus tuberosus. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/873044> 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." .