The northern elephant seal, Mirounga angustirostris, was presumed extinct by 189 2 owing primarily to commercial harvesting for their blubber oil that began in the early 1800s. A …
The northern elephant seal, Mirounga angustirostris, was presumed extinct by 189 2 owing primarily to commercial harvesting for their blubber oil that began in the early 1800s. A …
The northern elephant seal, Mirounga angustirostris, was presumed extinct by 1892 owing primarily to commercial harvesting for their blubber oil that began in the early 1800s. A …
[引用][C]History and Present Status of the Northern Elephant Seal Population