Four California sea lions, two of which have nylon monofilament "necklace wrap" entanglements, play in the wading pool created by a mostly sunk dinghy - East Beach Anchorage, Santa Barbara.
Zalophus californianus on sailboat 2016 05-20 SB Channel-149
According to Jones, Swartz and Leatherwood in "The Gray Whale" bubble blasts by gray whales produce a distinct underwater sound, part of the gray whale phonation repertoire, and in Laguna San Ignacio this class of sound can be transmitted underwater at least 2.5 kilometers.
Eschrichtius robustus bubble blast & Macrocystis 2015 04-28 SB Coast-149
From 2015 04-28 SB Coast