After the summer nesting period, broad winged hawks are known for migrating nearly 10,000 kilometers, (6,200 miles) each fall from their breeding grounds in North America to tropical biomes in South America, where they spend the winter. The International Union for Conservation of Nature has labeled broad-winged hawks as a species of "least…

In this article , the authors describe an activity in which students in Savannah, Georgia, use handheld GPS devices to record the sightings of bottlenose dolphins, examine spatial data from five pairs of dolphins in the study, and then form hypotheses about the spatial patterns they observe. In the process, they learn not only about the ecology of…