Le site de vulgarisation scientifique de l’Université de Liège. ULg, Université de Liège
fin whale (Balaenoptera Physalus)

Impressive for its size (females can measure up to 25 metres in length in the Mediterranean), this mammal is easily recognizable because it has asymmetrical pigmentation on its head: a dark grey lower left jaw and a white or light grey right lower jaw.

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