COSEE Ocean Systems: News
Whaling made penguins switch to krill
Description: Ancient eggshell fragments show that Adélie penguins living in Antarctica switched from eating fish to krill around the time that humans began hunting seals and whales. The finding suggests that when humans removed krill-eating predators the penguins exploited the resulting shrimp surplus. [Source: Nature]
Availability: Full Text
Source: Nature
Publish Date: 7/9/2007
Reading Level: Basic
Page Length: 1