The white flipper band of a Minke whale (Balaenoptera acutorostrata) is visible through the greenish water. This distinctive feature is characteristic of Minke whales of the northern hemisphere and the most obvious difference to their relatives in the Antarctic. St. Lawrence estuary, Canada

minke whale minke whale whales balaenoptera acutorostrata surfacing st lawrence estuary canada north america one animal lone single mammal cetacean water swimming rorqual white flipper ban fins green waters