Whale sounding
Encyclopedia
Sounding is a term used for whale
Whale
Whale is the common name for various marine mammals of the order Cetacea. The term whale sometimes refers to all cetaceans, but more often it excludes dolphins and porpoises, which belong to suborder Odontoceti . This suborder also includes the sperm whale, killer whale, pilot whale, and beluga...

s diving. It is typically only used for longer dives. Whales typically stay close to the surface for a series of short, shallow dives while building their oxygen reserves. They then have a sounding dive.
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