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When small cetaceans like this common dolphin make low leaps near the surface of the water while they travel, they are said to be porpoising. There are several theories about why dolphins leap like this, but some researchers believe it enables them to save energy.
(Photo: Peter Flood, taken near Stellwagen Bank National Marine Sanctuary)
[Image description: A head-on view of a common dolphin leaping forward out of the water.]
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Common dolphins are gregarious, sometimes gathering in groups of hundreds or thousands. They’re frequently spotted bowriding, or surfing in the waves created by boats.
Have you seen them while visiting your West Coast sanctuaries?
(Photo: John Burke)
This common dolphin hopes you have a fin-tastic week! These fast and energetic dolphins can be spotted by lucky whale watchers in Monterey Bay National Marine Sanctuary.
(Photo: Douglas Croft)
[Image description: Common dolphin leaping through the water]
Common dolphins like these are often spotted in Stellwagen Bank National Marine Sanctuary. Common dolphins are eager bow-riders, and sometimes can be spotted in groups of hundreds or thousands! In the sanctuary, they prey on squid and other small schooling fish.
(Photo: Peter Flood)
[Image description: A common dolphin rises from the surface of the ocean. In front of it, a tail of another dolphin is above the surface.]
Many different species of dolphin can be found in your national marine sanctuaries – including common dolphins. Known for their incredible energy and acrobatic skills, common dolphins are gregarious, sometimes gathering in groups of hundreds or thousands. They’re frequently spotted bowriding, or surfing in the waves created by boats. Have you seen them while visiting your West Coast sanctuaries?
(Photo: Peter Flood)
[Image description: A dolphin leaping out of the water.]
Are you enjoying the weekend as much as these common dolphins in Channel Islands National Marine Sanctuary?
(Photo: Ken Tatro)
All whales are generally divided into two groups, baleen whales and toothed whales, with the latter category including dolphins and porpoises. Common dolphins like this one can be spotted in several national marine sanctuaries, including Stellwagen Bank National Marine Sanctuary, where this one was photographed.
What’s your favorite kind of dolphin?
(Photo: Laura Howes)
![Fill in the blank! Dolphins are my favorite animal because _______. (Photo: Douglas Croft)
[Image description: Three common dolphins swimming at the ocean surface in Monterey Bay National Marine Sanctuary.]](https://images.weserv.nl/?url=https%3A%2F%2F64.media.tumblr.com%2Fe0a9d0a38b3288a7ea5de8457203b3cc%2Ftumblr_ph4hwvPv2v1ui50dco1_1280.jpg&q=12&output=webp&max-age=110)
(Photo: Douglas Croft)
[Image description: Three common dolphins swimming at the ocean surface in Monterey Bay National Marine Sanctuary.]
National Dolphin Day is here! Spinner dolphins like this fancy crew in Papahānaumokuākea Marine National Monument practice what is called a “fission fusion social pattern.” This means that the dolphins “fuse” to form large social groups of more than 100 individuals to hunt at night and then separate into much smaller groups – with as few as 12 individuals – to socialize and rest during the day.
(James Watt/NOAA)
Spending much of their time in large social groups, common dolphins can be spotted in groups of more than 100 individuals within the sanctuary. Learn more about marine mammals in Monterey Bay here.
(Photo: Douglas Croft/MarineLifeStudies.org, under NOAA permit #20519)
ALTRead our new web story, “Sanctuary Snapshots: Expert Photography Tips from Ocean Photo Contest Champions.”
The Get Into Your Sanctuary Photo Contest closes this Monday, September 2. Submit your photos now: https://sanctuaries.noaa.gov/photo-contest.html
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