Volcanic eruptions nearly snuffed out Gentoo penguin colony
![Gentoo penguin](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/04/041117_ht_penguinticker_free2.jpg?fit=860%2C460&ssl=1)
Geochemical evidence of Gentoo penguin poop helped researchers pinpoint volcanoes as an ancient threat to one of today’s most successful Antarctic penguin colonies.
Stephen Roberts
Geochemical evidence of Gentoo penguin poop helped researchers pinpoint volcanoes as an ancient threat to one of today’s most successful Antarctic penguin colonies.
Stephen Roberts