. . . . . . . . . "Riparia riparia" . . "Tachycineta bicolor" . . "Paul Tavares. 2015. Riparia riparia other species in group Tachycineta bicolor. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/8948564> 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." .