Ortiz-Wolford, J., Romero, J.C. and Cabrera, A.A. 2023. Killer whales, Orcinus orca  (Artiodactyla: Delphinidae) in Guatemala: sighting records, photographic match, and interaction with Bryde’s whales, Balaenoptera edeni (Artiodactyla: Balaenoptera). Revista de Biología Tropical. 71, S4 (Oct. 2023), e57288. DOI:https://doi.org/10.15517/rev.biol.trop. v71iS4.57288.