04:04Evening Grosbeaks Dine On Sunflower Seeds In The Sleet | November 5, 2026
Cornell Lab Bird Cams
The bizarre, microscopic flatworm Ribeiroia ondatrae infects a chain of hosts to spread its genes. A hijacked snail floods a pond with flatworm larvae, which dig into tadpoles and cause them to sprout too many legs. As adults, the clumsy frogs prove easy prey for herons, whose droppings will spread the parasite far and wide. ➡ Subscribe: http://bit.ly/NatGeoSubscribe About National Geographic: National Geographic is the world's premium destination for science, exploration, and adventure. Through their world-class scientists, photographers, journalists, and filmmakers, Nat Geo gets you closer to the stories that matter and past the edge of what's possible. Get More National Geographic: Official Site: http://bit.ly/NatGeoOfficialSite Facebook: http://bit.ly/FBNatGeo Twitter: http://bit.ly/NatGeoTwitter Instagram: http://bit.ly/NatGeoInsta Meet more mindsuckers - 01:29 Read about parasites online in National Geographic magazine: http://goo.gl/dG6uRp SENIOR VIDEO PRODUCER AND EDITOR: Hans Weise ART AND ANIMATION: Matthew Twombly ADDITIONAL AUDIO RECORDING: Daniela Santamarina SOURCE: Pieter Johnson Lab, University of Colorado, Boulder NARRATOR: Sean O'Connor On Sinister Pond | Mindsuckers https://youtu.be/c0G5Ygr8VsQ National Geographic https://www.youtube.com/natgeo
Published 2014-10-31 · Watch on YouTube ↗
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