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McNab, Brian K. (1994). "Energy Conservation and the Evolution of Flightlessness in Birds". The American Naturalist. 144 (4): 628–642. doi:10.1086/285697. JSTOR2462941. S2CID86511951.
Diamond, Jared (July 1991). "A New Species of Rail from the Solomon Islands and Convergent Evolution of Insular Flightlessness". The Auk. 108 (3): 461–470. doi:10.2307/4088088. JSTOR4088088.
Hunter, Laurie A. (November 1988). "Status of the Endemic Atitlan Grebe of Guatemala: Is It Extinct?". The Condor. 90 (4): 906–912. doi:10.2307/1368847. JSTOR1368847.
Terrill, Ryan S. (2020-12-01). "Simultaneous Wing Molt as a Catalyst for the Evolution of Flightlessness in Birds". The American Naturalist. 196 (6): 775–784. doi:10.1086/711416. PMID33211563. S2CID225249314.
McNab, Brian K. (1994). "Energy Conservation and the Evolution of Flightlessness in Birds". The American Naturalist. 144 (4): 628–642. doi:10.1086/285697. JSTOR2462941. S2CID86511951.
Terrill, Ryan S. (2020-12-01). "Simultaneous Wing Molt as a Catalyst for the Evolution of Flightlessness in Birds". The American Naturalist. 196 (6): 775–784. doi:10.1086/711416. PMID33211563. S2CID225249314.