Literature

• GBIF. Global Biodiversity Information Facility. www.gbif.org. [link]
• Voous, K.H. 1952. Vogeltrek op de Nederlandse Benedenwindse Eilanden. De West-Indische Gids 33: 183-190.
• WoRMS. World Register of Marine Species. www.marinespecies.org. [link]

Literature references linked to higher taxa

• eBird: An online database of bird distribution and abundance. eBird, Ithaca, New York. [link] (Aves)
• Gill, F. & Donsker, D. 2017. IOC World Bird List v7.1. [link] (Tyrannus)