Lunge-feeding fin whale (Balaenoptera physalus) showing distended throat grooves, Northeast Atlantic, off Morocco, North Africa, Africa

A perfect oblique lunge of a Minke whale (Balaenoptera acutorostrata) surface feeding in the early evening. Its Grooves are expanded and water is purged out, two main characteristics of a feeding strike. St. Lawrence estuary, Canada

Fin whale (Balaenoptera physalus) showing throat grooves during a feeding lunge at the surface. Cape Cod, USA.

Minke whale (Balaenoptera acutorostrata) lunge feeding showing throat grooves, Iceland

Minke whale ( Balaenoptera acutorostrata) spy hopping, showing throat grooves. Slender rostrum typical of minke whales. Husavik, Iceland

Minke whale (Balaenoptera acutorostrata) lunge feeding at surface showing pink throat grooves. Olafsvik Iceland

Minke whale (Balaenoptera acutorostrata) lunge feeding at surface showing throat grooves, Husavik, Iceland

Adult Humpback Whales (Megaptera novaeangliae) cooperative bubble-net feeding for herring in Iyoukeen Bay, Chichagof Island, Southeast Alaska.