Robert Nordsieck's Living World of Molluscs grew from a fascination with snails into a broad educational site on mollusc biology, including gastropods, bivalves, cephalopods, anatomy, classification, and natural history.
Raccoon Tracks combines species facts, historical accounts, photographs, folklore, coonskin-cap history, anatomy, behavior, and old wildlife references into a narrow but surprisingly deep raccoon archive.
John and Mary Kormendy's House Birds page records 22 years of bird sightings near Dripping Springs, Texas, with 125 species seen, migration notes, breeding observations, photographs, and the slow ecological changes visible from one home.
Japan's Kitutuki-Kobo, or Woodpecker Studio, blended woodcut art, paper craft, wildlife reference material, and downloadable projects into a compact personal site that kept being cited years later.
Hugh Erle Smith's Dung Fungi page is exactly what the old Web was good at: one person, one extremely specific subject, years of field observations, and no concern whatsoever for whether the topic was broadly marketable.
Ways of Enlichenment combines lichen philosophy, identification tools and a photogallery containing 11,593 vetted images representing 2,183 species across western North America.
Rod Crawford's Spider Collector's Journal turns decades of Washington field trips into a detailed web archive of expeditions, equipment, specimen work and species-distribution research.