Mice on the sub-Antarctic Marion Island are out for blood, and they're feasting, zombie-style, on living, immature albatrosses. Turns out, these tiny mammals are a very big threat to these huge seabirds. One photographer says it was more intense than watching the first four seasons of The Walking Dead. For more information on this episode visit nationalgeographic.com/overheard
Want to see the zombie mice of Marion Island yourself? You can see photos and video here, but beware, some may find the footage disturbing.
Meet National Geographic Photographer Thomas Peschak, and see more of his work.
Read more about Peschak's experience documenting these ravenous mice (warning: the photos and video are graphic).
This other island has been declared rat-free thanks to a conservation effort.
Learn more about the global migratory bird crisis.
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