Chen, Walter: Avian Predation in the Intertidal: Impact of the Great Black-Backed Gull, Larus Marinus (Linnaeus), on Crab Abundance, 2001, Box: 11. Cornell University Office of Undergraduate Biology honors theses, 53-2-4432. Division of Rare and Manuscript Collections. https://archives.library.cornell.edu/repositories/2/archival_objects/920173 Accessed August 28, 2026.