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- A seal can hold its breath for up to two hours. This is because they have a special ability to slow their heart rate and conserve oxygen. Harbor seals can not only swim competitively, but they can also dive to some of the deepest waters on earth.
www.desertdivers.com/how-seals-stay-underwater-for-so-long-the-science-of-apnea/
Nov 20, 2022 · Harbor seals can not only swim competitively, but they can also dive to some of the deepest waters on earth. Seals can dive as deep as 1500 feet, and can stay underwater for up to 30 minutes at a time.
Swimming. Harbor seals swim with all four flippers: they move their hind flippers from side to side to propel themselves forward, and use their foreflippers to help them steer. Harbor seals can swim forward and upside-down. They rarely swim backward. Harbor seals can swim up to 19 kph (12 mph), but they generally cruise at slower speeds. Diving
Sep 15, 2007 · Their optimality model suggested that seals should swim at the minimum cost of transport (MCT) speed in deep dives, but in shallower dives they could increase the proportion of time spent at the foraging area by swimming faster between the surface and the prey patch.
- Susan L Gallon, Carol E Sparling, Jean-Yves Georges, Michael A Fedak, Martin Biuw, Dave Thompson
- 2007
Harbor seals can swim as fast as fifteen knots. Harbor seals like to “haul out” to bask in the sun and sleep. This takes place on beaches, spits, bars, rocks, and log rafts.
Apr 19, 2022 · Harbor seal pelvic bones are fused, preventing them from moving their hind flippers under their pelvis to walk on land like sea lions. Instead, they move by undulating in a caterpillar-like motion. This behavior does not mean they are injured. Harbor seal pups can swim at birth.
- Mammalia
- Chordata
- Carnivora
Harbor seals may spend several days at sea and travel up to 50 km (31 mi) in search of feeding grounds, and will also swim more than a hundred miles upstream into fresh water in large rivers in search of migratory fish.
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In their early weeks of life, a mother harbor seal may carry her pup on her back while swimming and diving. The average lifespan of a harbor seal is 20 – 25 years. Harbor seals are opportunistic feeders who tend to hunt for fish, cephalopods, and other invertebrates during high tide.
