Vịt Scoter đen , tên khoa học Melanitta americana chim trong họ Vịt .[ 2]
Deghi, Gary et al. (1989): Environmental Impact Report for the Pillar Point East Harbor Master Plan . Earth Metrics Inc., San Mateo County Harbor District, February, 1989.
Some unusual records for San Mateo County, California. Abstract in: Littlejohn, Chase (1916). “Minutes of Cooper Club Meetings” . Condor 18 (1): 38–40.
Sangster, George (2009). “Acoustic Differences between the Scoters Melanitta nigra nigra and M. n. americana ” . The Wilson Journal of Ornithology 121 (4): 696–702. doi :10.1676/04-088.1 . Sea Duck Joint Venture (2003): Black Scoter (Melanitta nigra ) Lưu trữ 2007-09-29 tại Wayback Machine . Sea Duck Information Series . Version of Oct. 2003.</ref>Zim, Herbert Spencer; Robbins, Chandler S. ; Bruun, Bertel (2001): Birds of North America: A Guide to Field Identification. Golden Publishing.
