... the early 1700's until 1911 when the International Fur Seal Treaty was enacted more than one million sea otters were killed for their fur. Estimates are that at that time there were only 500-2,000 total sea otters left in the world. Think about that---less than one percent of its original population size. Enacting ... in the 1970s. Today, there is no evidence of any survival. Vancouver Island (British Columbia) which had no remaining sea otters in the late 1960s is an example of success. Eighty-nine sea otters were transplanted between 1969 and 1972. Today the population is estimated to ...

• Word Count: 2379
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

... 80% of Florida's bald eagles were sterile due to pesticides. In England in the 1950's, otter hunting was a very popular game. By the late 1950's, hunters began having trouble finding otters. After two decades, environmentalists began to notice the population decline. Scientists depended on the huntsmen's records for clues about the disappearance. The pesticide Dieldrin was suspected, and proved later on ... suspected pollution or an infectious disease. Reports began coming in from all over northern Europe about dead seals washing up on the beaches. By December almost 40% of the North Se...

• Word Count: 2382
• Approx Pages: 10
• Has Bibliography
• Grade Level: High School

... (Bern 141). Although Alaska may seem a harmless state with a large amount of land, there still is danger to some of its wildlife. The most obviously decreasing number is in the Sea otters. They were near-extinction by 1900 and are now under federal care (Bern 118). That much we know is good, but now they are being threatened by nuclear tests (Bern ... ...

• Word Count: 1054
• Approx Pages: 4
• Grade Level: High School