This article describes ice worms (Mesenchytraeus solifugus) that live on glaciers in southern Alaska, the Coastal range and British Columbia, and in the Olympics and North Cascades as far south as Mt. St. Helens. Pictures of the ice worms and information on their habitat, physiolology, diet, and behavior are provided. Full description.

This site is maintained by the Digital Learning Center for Microbial Ecology. A Microbe Zoo and the Microbe of the Month are included. The site provides some background material on many different types of Microbes, in ponds, around the deep sea vents, and various other locations. Two water regions are represented on the site, although mention is made of several others. Full description.

This feature is from an article in National Geographic Magazine about a 2000 expedition into Canada's Foxe Basin to research the Atlantic Walrus. It includes field notes, photos, and audio/video clips. Full description.

For ecologists, the horseshoe crab is an important creature- a vastly adaptable organism that predates most species on the planet, with a lifecyle that is interlocked with other animals. Users can view information, photographs, and diagrams that explain the anatomy, range and habitat, lifecycle, ecological niche, reproductive cycle, and medical uses of the horseshoe crab. Full description.

This slide show explores the threats to the Chinook salmon population in the Stillaguamish River watershed of Snohomish County, Washington. Topics include the status of the present population, factors contributing to the decline of the population, habitat needs for healthy salmon, and steps that are necessary for the recovery of the population. Full description.

Students will use NASA satellite data to study temperature and snow-ice coverage in the South Beaufort Sea, Alaska. The data can be used to correlate with USGS ground tracking of polar bears, and to relate this to global change, sea ice changes, and polar bear migration. The data can be used to draw conclusions surrounding any migration patterns in the region. Full description.

This site is based at Reading Memorial High School in Reading, MA. It features general information defining and describing vernal pools as a habitat type, including an illustrated cartoon series. Resources for educators and students include suggestions for classroom and field trip activities, examples of school projects, field guides, and teacher resources such as workshops. While this site contains ... Full description.

The purpose of this resource is to To observe seasonal migration patterns, feeding habits, and nesting behavior of Ruby-throated Hummingbirds (Archilochus colubris) in North and Central America. All students will learn about hummingbird natural history and ecology. Students will learn how to identify and age male and female Ruby-throated Hummingbirds and to observe migration and feeding behavior. ... Full description.

The Stream Study provides a method to determine the water quality of a stream based on the collection and identification of stream-bottom macroinvertebrates. This is a multi-chapter activity designed for teachers, parents, and students. Specific sections of this site include the following: why it is important to study stream-bottom macroinvertebrates, identification of stream-bottom macroinvertebrates, ... Full description.

This portal offers an alphabetical selection of links to materials on a variety of sea creatures, especially whales. Topics include research reports, expedition records, maps, datasets, movies, and sound recordings for several species of whales, seals, porpoises, and turtles. Full description.