Trefry, Sarah A.; Dickson, D. Lynne; Hoover, Andrea K. (September 2007). "A Common Eider X King Eider Hybrid Captured on the Kent Peninsula, Nunavut". Arctic. 60 (3): 251–254. CiteSeerX10.1.1.661.615. doi:10.14430/arctic217. JSTOR40512893.
Phillips, Laura M.; Powell, Abby N. (June 2009). "Brood Rearing Ecology of King Eiders on the North Slope of Alaska". The Wilson Journal of Ornithology. 121 (2): 430–434. doi:10.1676/08-125.1. JSTOR20616919. S2CID84249667.
Trefry, Sarah A.; Dickson, D. Lynne; Hoover, Andrea K. (September 2007). "A Common Eider X King Eider Hybrid Captured on the Kent Peninsula, Nunavut". Arctic. 60 (3): 251–254. CiteSeerX10.1.1.661.615. doi:10.14430/arctic217. JSTOR40512893.
Phillips, Laura M.; Powell, Abby N. (June 2009). "Brood Rearing Ecology of King Eiders on the North Slope of Alaska". The Wilson Journal of Ornithology. 121 (2): 430–434. doi:10.1676/08-125.1. JSTOR20616919. S2CID84249667.
Trefry, Sarah A.; Dickson, D. Lynne; Hoover, Andrea K. (September 2007). "A Common Eider X King Eider Hybrid Captured on the Kent Peninsula, Nunavut". Arctic. 60 (3): 251–254. CiteSeerX10.1.1.661.615. doi:10.14430/arctic217. JSTOR40512893.
Phillips, Laura M.; Powell, Abby N. (June 2009). "Brood Rearing Ecology of King Eiders on the North Slope of Alaska". The Wilson Journal of Ornithology. 121 (2): 430–434. doi:10.1676/08-125.1. JSTOR20616919. S2CID84249667.