become extinct

Examples (10)

• Many species will become extinct if we don't protect their habitats.
• The dodo bird became extinct in the 17th century.
• Climate change could cause polar bears to become extinct.
• Without conservation efforts, tigers might become extinct within decades.
• Scientists warn that thousands of species could become extinct each year.
• The woolly mammoth became extinct about 4,000 years ago.
• Overhunting caused the passenger pigeon to become extinct.
• Several plant species have become extinct due to deforestation.
• The Tasmanian tiger became extinct in the 20th century.
• Marine animals may become extinct because of ocean pollution.