The Marine Mammal Center
Headquarters front entrance
|Location||California, United States|
|This article relies on references to primary sources. (November 2010)|
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The Marine Mammal Center is a private, non-profit U.S. organization that was established in 1975 for the purpose of rescuing, rehabilitating, and releasing, marine mammals who are injured, ill, or abandoned. It was founded in Sausalito, California by Lloyd Smalley, Pat Arrigoni, and Paul Maxwell. It also serves as a center for environmental research and education regarding marine mammals, namely cetaceans (whales and dolphins) and pinnipeds (seals, fur seals and sea lions). Marine mammal abandonment refers to maternal separation; pups that have been separated from their mother before weaning. At the Center, they receive specialized veterinary care; diagnosed, treated, rehabilitated, and ideally, released back into the wild. Animals in need of assistance are usually identified by a member of the public who has contacted the Center. These animals represent the following major species: California Sea Lion, Northern Elephant Seal, Pacific Harbor Seal, Northern Fur Seal, and the Southern Sea Otter. On a few occasions, the Marine Mammal Center has taken in Guadeloupe Fur Seals, Stellar Sea Lions, and Bottlenose/Pacific White-Sided Dolphins. The only non-mammals that the Center takes in are sea turtles. 
The research team consists of veterinarians and biologists, who conduct not only medical diagnosis and intervention, but also publish scientific reports on marine animal health in relation to the Pacific Ocean’s environmental chemistry. They collaborate with other selected technology centers to provide vital information on disease, immunological systems and environment effects. Some patients are fitted with radio or satellite tags before release, to further specific research goals. The Center collaborates with counterparts around the world (most notably from England, Canada, Mexico, Brazil, Australia, Scotland, the Netherlands, France and Germany) in working on complex cases, and also jointly research interactions of ocean-dwelling mammals with the marine environment.
Researchers at the Marine Mammal Center have discovered that Domoic Acid (DA) is the causative agent responsible for illness in a great many California Sea Lions. DA is naturally produced by the diatom Pseudo-nitzschia. DA passes up the food chain as the diatoms are consumed by zooplankton. These zooplankton are then consumed by fish where the toxin accumulates. Fish are unharmed by it. California Sea Lions are disproportionate affected because they feed closer to shore, where more of these diatoms are present. When consumed by (marine) mammals, it activates neural pathways in the brain, specifically, the hippocampus. This neural activation is unregulated and results in seizures. Repeated exposure will cause repeated activation, ultimately burning out these neural pathways and causing permanent brain damage; specifically, atrophy of the hippocampus. Domoic Acid is the same biotoxin that causes Amnesic Shellfish Poisoning in humans.
Another discovery by the Marine Mammal Center, in collaboration with the University of Florida, is that seal pox is distinct from pox viruses isolated from other species. It is unrelated to chicken pox or smallpox. Also being investigated is the increased incidence of leptospirosis, a bacterial pathogen that can acutely damage the kidneys of marine mammals.
The Marine Mammal Center has made advances in the use of general anesthesia on marine mammals, used during surgical procedures. To a certain extent, marine mammals are voluntary breathers. Pinnipeds (seals, sea lions, fur seals) can reduce their respiratory rate in order to conserve oxygen and remain underwater for extended periods. This makes the use of general anesthesia and tranquilizing darts more problematic.
Any animal that dies in treatment or is euthanized while at the Center, will undergo a necropsy to further research. At the Center, there is a viewing area where the public can observe the procedure. Animals are only euthanized if their illness or injury is beyond treatment and would lead to the animals death, or unabated suffering. Considering that animals in need are only identified when their distress is significant enough to be observable by the public, it is not unusual for some of these animals to be beyond rehabilitation.
The education outreach program reaches in excess of 100,000 school children and adults each year, emphasizing human connection to the marine environment. In addition to the groups of children who visit the Center, there is a 'Whale Bus' that visits Bay Area Schools. The hope is that with a better understanding of the ocean and its inhabitants, children will grow up to care for and respect the oceans.
Rescue and rehabilitation
Some animals that are rescued may be deemed unreleasable. If an animal has been released on two occasions and returns both times, it may have become habituated with people and no longer capable of fending for itself. Some animals may have suffered injuries that have left them blind or otherwise disabled. Although their health is stable, they may no longer be able to survive independently in the wild. These too, are considered unreleasable. In these circumstances, the Marine Mammal Center works with the National Oceanic and Atmospheric Administration (NOAA) and the National Marine Fisheries Services (NMFS) to find a permanent home for the animal in an approved zoo or aquarium. In May, 2011, the San Francisco Zoo accepted two such animals, both are male California Sea Lions; named Silent Knight and Henry. Silent Knight was shot and blinded in Sausalito in December 2010. The cause of Henry's blindness is unknown. There was no external injury to the eyes and the cause may be neurological.
Facilities, budget and governance
Facilities include the Marin Headlands headquarters and field stations in San Luis Obispo, Monterey, Anchor Bay and an educational kiosk at Pier 39 in San Francisco. The Center's animal rescue radius is along the Pacific Coast of California and comprises approximately 600 square miles, between San Luis Obispo and Mendocino.
The Marine Mammal Center facility is located at what was once part of a former Nike Missile site. From 1953 to 1979, the United States Army built and operated over 265 Nike missile batteries throughout the United States. The best preserved installation is in the Marin Headlands, known as SF88. It was intended to protect local civilian and military populations against attack by Soviet bomber aircraft. It was opened in 1954, equipped with Nike Ajax missiles and later converted to hold improved Nike Hercules missiles. The site was decommissioned in 1974. Portions of the site, including three Nike Hercules missiles can be visited through the GG National Park Service on limited days and hours.
The Marine Mammal Center opened in 1975, one year after the closure of the missile site. Underground silos now house the facility's water filtration system. A small structure nearby was once a guard house. The exterior remains unchanged but it is now part of the Harbor Seal Hospital and also holds a surgical suite. Neither the former silo, nor the former guard house are open to the public. 
The Marine Mammal Center is entirely privately funded. In 2012, the yearly operating budget for the center was approximately $7,500,000. 81% of expenditures went directly to animal care, veterinary expense, and education programs. In 2012, 76% of the Marine Mammal Center's operating budget came from private donations and individual and family memberships. The Marine mammal Center presently has a paid staff of 45 individuals. Its operation is reliant on several hundred volunteers who are trained in rescue, release, animal care, and education.
The main facility in Sausalito can accommodate approximately 1,200 animals a year; although a typical year brings between 600-800 patient. In 2009, a lack of available fish related to the El Nino weather pattern brought 1,750 patients to the Marine Mammal Center, more than in any other year since it opened. 2012 marked the year with the highest percentage of survivability for all patients, species combined. In the Spring of 2013, environmental conditions limited to Southern California resulted in a higher than normal number of Sea Lion strandings. During this period, the Marine Mammal Center has taken in the overflow, approximately 65 patients.
The Marine Mammal Center began in 1975 with bath tubs and small pools surrounded by a fence. In June, 2009 a multi-facility complex was opened to hold both the animals and the staff. It was built with recycled materials and utilizes sound boards made of sea weed. Donated solar panels provide approximately 20% of the facilities energy. Water, which was previously a major expense, is now filtered through an advanced sand bed and ozone system which allows a water recovery rate of 80%.
During the reconstruction, numerous outdoor pens with pools and haul-out surfaces were created; there are also special purpose facilities including a veterinary hospital, records room, food preparation and storage rooms and rescue equipment storage area. The hospital includes an operating room, treatment areas, office and pharmaceutical storage. Some of the hospital functions include thoracic surgery, gastrointestinal surgery, and orthopedic surgery as well as routine examinations and blood sampling for patient diagnosis.
Some specific examples among the thousands of successful outcomes are:
Net entangled Humpback Whale. In December 2005, a large female Humpback whale was rescued off of the Farallon Islands, after she became entangled in crab pot lines on her migration, most likely to wintering grounds near Mexico. The daring maneuver was carried out by Center staff and volunteers along with professional divers and was the Center's first successful open ocean rescue of a whale entangled in netting.
Orphaned Stellar Sea Lion pup at Ano Nuevo Island. In the year 1999, a malnourished 37 lbs.(17 kg) pup was found stranded alone at a location known as a Northern Elephant Seal rookery but not as a birthing location for Stellar Sea Lions. The pup, named Artemis, was restored to health and returned to the wild. In July 2005, she was again spotted on Ano Nuevo Island, but this time she was giving birth to a new pup. This was a particularly unusual outcome, since no pup is known to have been born on that island for at least twenty years.
Humphrey the whale is arguably the most widely publicized humpback whale in history , having errantly entered San Francisco Bay twice, departing from his Mexico to Alaska migration. Each excursion resulted in dramatic estuarine rescues in 1985 and 1990 by the Center, assisted by the United States Coast Guard and hundreds of volunteers. The first rescue was actually to turn Humphrey around in the Sacramento River, while the second was to move him back into the water from the mudflats north of Sierra Point below the Dakin Building.
On December 5, 2009, a 650 lbs., adult, male California Sea Lion was rescued from Knight's Landing in Yolo County, Northern California. Sgt. Nevis had suffered a shotgun wound to his sinuses. He was named after Yolo County police officer Michael Nevis, who assisted with his rescue. Imaging tests revealed that this had not been Sgt. Nevis' first run-in with a shotgun. Buckshot pellets remaining in his head evidenced that he had been shot several times previously. After months of treatment and rehabilitation, it was determined that he could not survive if returned to the ocean. In association with NOAA, he was transferred to permanent residence at Six Flags Discovery Kingdom in Vallejo, California.
The US Marine Mammal Protection Act of 1972 and later amendments, make it a federal crime to hunt, kill, capture, and/or harass any marine mammal. State laws and local ordinances may provide additional restrictions and penalties.
On October 8, 2010, Sgt. Nevis had major reconstructive surgery to close the opening in his face created by the entry and exit of the shotgun slug. The complicated surgery was needed to cover the crater-like wound under his eyes. The injury had forced Sgt. Nevis to modify his breathing. He was unable to dive or even submerge his head under water. There was also a continuing risk of infection. Facial reconstruction surgeon Dr. Praful Ramenini donated his services for this delicate surgery. Dr. Ramenini was supported by Center veterinarians Dr. Bill Van Bonn and Dr. Vanessa Fravel, as well as veterinarians Dr. Diana Procter and Dr. Nancy Anderson from Six Flags Discovery Kingdom.
On October 15, 2010, the Sutter County District Attorney's Office announced the successful criminal prosecution of a fisherman, for the shooting of Sgt. Nevis. He was convicted of intentionally maiming or wounding a living animal in violation of California Penal Code Section 597. He was sentenced to 30 days in jail, five years of probation, and ordered to pay restitution of $51,081.48 to the Marine Mammal Center, toward the expenses of treating Sgt. Nevis.
In Peter Jackson's Lord of the Rings trilogy, elephant seal and sea lion vocalizations were recorded at the Marine Mammal Center and used as the main component for the sound of the Orcs (Northern Elephant Seals) and the Uruks (CA Sea Lions). Sound Designer David Farmer had coincidentally visited the Center during elephant seal pupping season and was suitably impressed.
- Cetacean Conservation Center
- Domoic acid
- Endangered species
- Moss Landing Marine Laboratories
- Institute for Marine Mammal Studies
- Red tide
- "About Us". marinemammalcenter.org. Marine Mammal Center. Retrieved December 1, 2012 If you find a marine mammal or sea turtle in distress within this area, please notify the Marine Mammal Center, at (415) 289-7325 (from Mendocino to San Mateo), (831) 633-6298 (Monterey and Santa Cruz), or (805) 771-8300 (San Luis Obispo). Calls are answered 24 hours a day. Do not touch, or approach the animal. It is illegal to harass a marine mammal. Any contact may result in injury to yourself or further injury or stress to the animal..
- Marine Mammal Center 2012 Annual Report,http://www.marinemammalcenter.org/about-us/publications/annual-reports/
- Tokuda, Wendy (1992). Humphrey the lost whale. Lincoln, NE: GPN. ISBN 0-89346-346-9.
- Callenbach, Ernest; Christine Leefeld (1986). Humphrey the Wayward Whale. Berkeley, Calif: Heyday Books. ISBN 0-930588-23-1.
- Isaza, Miguel, Designing Sound, 'David Farmer Special: The Lord of the Rings Exclusive Interview, September 30, 2010, http://designingsound.org/2010/09/david-farmer-special-the-lord-of-the-rings-exclusive-interview/, accessed 12-24-12
- IMDB (International Movie Data Base)<Lord of the Rings - entry, http://www.imdb.com/title/tt0167261/trivia?tab=tr&item=tr1644361, accessed 12-24-2012