Baja California · Mexico
Guadalupe Island
A volcanic island where elephant seals came back from the brink.
- Biosphere reserve
- 2005
- Residents
- Under 150 (2015)
Then
- 1602
Vizcaíno's expedition sights the island.
- Early 1800s
Seal hunters probably bring goats ashore.
- 1892
A Smithsonian expedition finds eight northern elephant seals, a species thought extinct.
- 2005
The island becomes a biosphere reserve.
Now
Cage diving with white sharks has been banned since 2023. Fewer than 150 people live here year-round.