Explore the wonders of the Earth. In this site, you will find some information about hiking trails, some of the natural wonders in the places we explored, some itineraries of our travels, some road trip information, some health and fitness tips to enjoy the outdoors, and more of the simple joys from our natural world. Life, like hiking, has lots of ups and down, rugged and steep terrains, switchbacks, and beautiful scenic turns.- Betchai
Sunday, March 02, 2014
Sea Lions Seeking Refuge on Rocks, Mom and Pup Seals at the Beach
Sea Lions Seeking Refuge on Rocks, Mom and Pup Harbor Seals at the Beach
Why do sea lions and harbor seals haul out on rocks or at the beach? The answer is, just like humans, they need to rest too, and more importantly, not to burn so much energy.
Water, compared to air, conducts heat easily. Thus, we feel many times colder in water than in air because we lose a lot of our body heat in water than in air at the same temperature. It's for that same reason that sea lions and harbor seals usually haul out more during the cold season, plus of course, it's their mating and breeding season.
Mom and Pup Harbor Seal
There are various ways for them to get warm in cold water: grow furs ( sea lions and seals have furs), build mass or grow bigger, eat a lot of food for metabolic heat, or haul out on land to rest. Sea lions and harbor seals combine these different methods.
Today's waves are really huge. If you notice in the video above, the sea lions are trying to get higher on the rocks. Here are some pictures in addition to the video above about why sea lions and harbor seals are mostly on land right now at La Jolla Cove.
Because the waves are huge, some of the sea lions were displaced from their "home" rocks. A lot of them seek higher ground.
Sea Lions on Higher Ground
The sea lions that are safe at higher level, seem to be concerned as well with their brothers/sisters who still are trying their best to get on the rock. They kept on barking at each other looking down at the other sea lions on water struggling to get to the rock.
Sea Lions Trying to Get on Rock
While the sea lions were trying to use the waves to bring them high on rocks, some were enjoying the waves.
Surfer Enjoying Waves
At the other side of La Jolla Cove, are the harbor seals peacefully hauling out at the beach. There are a lot of baby harbor seals on shore, and some mom seal were training their baby seal both on land and on water.