Attributes / relations provided by
♦ ¹Cirtwill, Alyssa R.; Eklöf, Anna (2018), Data from: Feeding environment and other traits shape species' roles in marine food webs, Dataset, https://doi.org/10.5061/dryad.1mv20r6
♦ ²"Crawling behaviour of the amphipod Corophium volutator and foraging by Semipalmated Sandpipers, Calidris pusilla", J. Sherman Boates, Peter C. Smith, Canadian Journal of Zoology, 1989, 67(2): 457-462