δ 15 N Phe (circles) and δ 15 N Glx (squares) of eastern North Pacific (ENP) killer whale ecotypes (fish-eating residents and mammal-eating transients) and eastern Canadian Arctic/Northwest Atlantic (ECA/NWA) killer whales with tooth wear and no tooth wear (error bars = standard deviation).

• Main Authors: Cory J. D. Matthews (7742336), Jack W. Lawson (10521172), Steven H. Ferguson (2043523)
• Format: Still Image
• Language: unknown
• Published: 2021
• Subjects: Cell Biology; Molecular Biology; Evolutionary Biology; Ecology; Marine Biology; Inorganic Chemistry; Environmental Sciences not elsewhere classified; Biological Sciences not elsewhere classified; CSIA-AA; TP; killer whales; CSIA; Eastern North Pacific; Amino acid δ 15 N differences; NWA; ENP; killer whale populations; δ 15 N Glx-Phe; δ 15 N Thr; FE; ECA; well-characterized diet differences; δ 15 N patterns; AA; killer whale ecotypes; Northwest Atlantic Ecotypes; Similar bimodal variation; Arctic; Pacific; Killer Whale; Northwest Atlantic; Killer whale
• Online Access: https://doi.org/10.1371/journal.pone.0249641.g002

Similar relative differences in δ 15 N Glx-Phe among the ECA/NWA groups as the ENP ecotypes suggest similar dietary divisions.