What is the main reason behind Steller's sea cow and passenger pigeon extinction?

What is the main reason behind Steller's sea cow and passenger pigeon extinction?
  1. Over:exploitation
  2. Alien species invasion
  3. Co:extinction
  4. Habitat loss and fragmentation

Solution

Steller's sea cow and passenger pigeon extinction were due to overexploitation by humans.

Asked in: NCERT

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