In 1972, the Sperm Whale was listed as an Endangered Species and the following year, the US Congress amended the Endangered Species Act, outlawing the killing of whales and the use of their oil.
The Sperm Whale was listed as an Endangered Species and the following year, the US Congress amended the Endangered Species Act. This was in 1972. The Sperm Whale was listed as an Endangered Species and the following year, the US Congress was outlawing the killing of whales. This was in 1972. The Sperm Whale was listed as an Endangered Species and the following year, the US Congress was outlawing the use of their oil. This was in 1972.