Chile’s Humboldt penguins could face extinction as population plummets

The Humboldt penguin population has dramatically decreased in areas along the central coast of Chile, making them one of the most vulnerable of the world’s 18 penguin species and putting them at risk of extinction, experts warn. The Humboldt penguin population has dramatically decreased in areas along the central coast of Chile, making them one of the most vulnerable of the world’s 18 penguin species and putting them at risk of extinction, experts warn.  NBC News Science