Peeps, IIRC, was trematodes[1]. After the opening action sequence, the narrator rambles about how trematodes infect snails to get to the birds that eat the sna

Peeps, IIRC, was trematodes[1]. After the opening action sequence, the narrator rambles about how trematodes infect snails to get to the birds that eat the snails. Still involves the intermediate host[2] concept, though. [1] http://en.wikipedia.org/wiki/Trematoda http://en.wikipedia.org/wiki/Trematoda [2] http://en.wikipedia.org/wiki/Intermediate_host http://en.wikipedia.org/wiki/Intermediate_host