the world > animals > mammals > group Unguiculata or clawed mammal > family Mustelidae (weasel, marten, otter, or badger) > [noun] > genus Lutra (otter) > surfacing to breathe (2)
vent1653
The action on the part of an otter of coming to the surface of the water in order to breathe; an instance or occasion of this.
venting1736
The rising of an otter to the surface of water in order to breathe.