Sentences with phrase «by an elephant seal»

I challenge you to find a documentary where David Attenborough's being chased by an elephant seal saying, «Don't get between an elephant seal and the water.»
Sensitive resources such as birds and plants are also affected by elephant seals.
Milk produced by elephant seals is remarkably high in milkfat compared to other mammals.
Tracking studies have indicated the routes traveled by elephant seals, demonstrating their main feeding area is at the edge of the Antarctic continent.

Not exact matches

Hagfish secrete copious amounts of gluelike slime to ward off predators, but the elephant seal seems to have avoided gumming up its teeth by swallowing the hagfish whole.
Males of many animal species compete for mates, either by producing showy ornaments to attract females, such as the plumes and bright colours of male Birds of Paradise, or, like stags and elephant seals, by fighting with other males for access to mates.
Over several years studying an elephant seal colony in Año Nuevo State Park, California, the researchers were able to recognize many of the individual animals just by the rhythm of their voices, he says.
For example, we encounter elephant seal pups starving to death in ice tombs created by their own body warmth, unable to reach their mothers to feed.
The ethereal glow produced by animals deep in the ocean could be key for southern elephant seals on the hunt
Research over the last decade, however, has revealed that low levels of carbon monoxide ward off internal injuries caused by such stress, and the team argues that's why elephant seals produce large amounts of the gas.
Ferretti and colleagues suspect that the return of the elephant seal may be the key to the greatly reduced risk of white sharks for humans, as sharks are drawn to seal rookeries and away from areas heavily used by people.
Oscar DiCaprio, a male elephant seal pup named after the famous actor and environmentalist, was rescued last April at Oceano Dunes State Park in San Luis Obispo County, CA, by volunteers at the Marine Mammal Center.
For starters, find the latest in whale watching, orchid shows, elephant seal watching, birding, dunes walks, and other activities, by consulting the comprehensive, regularly updated of nature events in San Luis Obispo County.
Fossil records show that northern elephant seals have been around for millions of years, yet by the end of the 19th century, experts say there were only about 100 seals left as a result of over-hunting by humans, who harvested the animals» valuable blubber in order to make oil.
On Wednesday, Jan. 25, she became the first elephant seal pup of the 2017 season to be rescued by volunteers for The Marine Mammal Center in San Luis Obispo County.
The coastline is inhabited by marine mammals, like sea lions, elephant seals and fur seals.
We are recruiting helpers for two periods; - late August to mid December: focus is elephant seal breeding, killer whale predation on weaned elephant seal pups, establishment of pairs and territories by skuas - mid December to late March: focus is elephant seal moulting, genaral killer whale activity and behavior, intensive study of skuas behaviour and communication, monitoring of breeding of marine birds and raptors, collection of general environmental data Only applicants who can stay for a whole period (about 3 months and a half) can be taken into consideration.
Point Año Nuevo is used by thousands of breeding seabirds and marine mammals and supports a world famous elephant seal haul out and breeding ground.
During the 1800s and early 1900s, elephant seals were killed by sealers at most places where they breed.
During the australian summer of 1995 - 1996 a survey of the whole Falklands coast was conducted by to estimate size of penguins populations: a record of sightings of elephant seals was kept.
The elephant seals of the Falklands were heavily exploited as a source of high - quality oil in the 18th century: the population was very reduced by the beginning of this century, when sealing was concentrated on South Georgia.
[115] When a female elephant seal or grey seal is mounted by an unwanted male, she tries to squirm and get away, while croaking and slapping him with her tail.
The southern elephant seal was one of the many species originally described by Swedish zoologist Carl Linnaeus in the landmark 1758 10th edition of his Systema Naturae, where it was given the binomial name of Phoca leonina.
The social system of elephant seals populations is shaped by two factor: land breeding during a short breeding season and strong tendency of females to aggregate when on land.
The two species, the northern elephant seal (M. angustirostris) and the southern elephant seal (M. leonina), were both hunted to the brink of extinction by the end of the 19th century, but the numbers have since recovered.
The northern and southern elephant seal can be distinguished by looking at various external features.
Elephant seals dive to 1,550 m beneath the ocean's surface [13](the deepest recorded dive of an elephant seal is 2,388 m (7,835 ft) by a southern elephant seal).
Sea Lion Island shelter a small, localized population of elephant seals, that we are studying in great detail by marking almost all breeding individuals every season, by spending a large amount of time in the field doing behavioural observations, and by using a mixture of different techniques to gather accurate measurements of different aspects of individual phenotype of males and females.
We wish to broaden our knowledge of elephant seals of the Falkland Islands by carrying on a survey of the whole population.
Once home to a large population of elephant seals, hunters greatly reduced the seal population by overhunting the species.
The IUCN lists both species of elephant seal as being of least concern, although they are still threatened by entanglement in marine debris, fishery interactions, and boat collisions.
Subadult elephant seals will sneak into female clusters and try to blend in by pulling in their noses.
The level of isolation of SLI population should be quantified by genetic studies.Currently, an ongoing research project is comparing the genetic structure of SLI population with South Georgia and Valdes Peninsula populations, the two main parts of the South Georgia stock, which comprises about one third of the world wide elephant seals population.
One of its programs is called Elephant Seal Homecoming Days, which was started by TOPP in 2008 for the months the northern elephant seals return to Año Nuevo State Reserve during the breeding season.
While hunting in the dark depths, elephant seals seem to locate their prey at least partly by vision; the bioluminescence of some prey animals can facilitate their capture.
[30] The elephant seals managed to survive, and were finally protected by the Mexican government in 1922.
As stated by the International Union for Conservation of Nature (IUCN), which is the world's main authority on the conservation status of species, the northern elephant seal has recovered from near extinction and population growth and is expected to continue over the coming decades.
Male elephant seals can be easily identified by their large proboscis, which resembles an elephant's trunk (and is the source of their name).
It is surpassed only by its relative the southern elephant seal.
[20] A female northern elephant seal was documented in 2013 by a deep sea camera at a depth of 894 m (2,933 ft), where it consumed a Pacific hagfish, slurping it up from the ocean floor.
Under sunny skies at Point Reyes National Seashore, the five sea lions were greeted by another pinniped already there - a molting elephant seal weaner!
Systemic mycosis caused by Scedosporium apiospermum in a stranded Northern elephant seal (Mirounga angustirostris) undergoing rehabilitation.
By April, our busy elephant seal and harbor seal pup seasons were in full swing as well, and we were caring for a record number of patients onsite at our hospital in Sausalito, California: 291.
The pinnipeds were greeted by some other elephant seals that were lounging in the waves at Point Reyes on May 13, 2012.
Unfortunately, the day was getting short, and our patient was surrounded by 2,000 pound male elephant seals lazing and molting on the beach, not willing to move so we could have safe access.
Hunted nearly to extinction in the 1800's, California's elephant seals have made a remarkable comeback and are now protected by the U.S. Marine Mammal Protection Act.
A wayward elephant seal that had been attempting to cross Highway 37 near San Pablo Bay since Monday afternoon was sedated Tuesday by wildlife officials, who found the animal to be pregnant and announced plans to relocate her to an elephant seal colony along the Marin County coast.
Help visitors view, understand, and appreciate northern elephant seals, gray whales, and other marine life by interpreting observed behaviors and educating visitors about the natural history of these species
We had about 120 elephant seals here in April and it sounded like we had been invaded by Orcs.»
Overview The Winter Wildlife Docent promotes awareness and protection of northern elephant seals, gray whales, and other marine life by helping visitors view, understand, and appreciate these species; helps visitors understand the ongoing management and research issues relating to northern elephant seals in Point Reyes National Seashore; and provides general park information and assistance to visitors.
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