Rockhopper penguin Rockhopper penguin The rockhopper penguins are three closely related taxa of crested penguins that have been traditionally treated as a single species and are sometimes split into three species. Not all experts agree on the classification of these penguins. Some consider all three as distinct species, some split the western and eastern forms into the southern rockhopper penguin and keep the northern rockhopper as distinct, while other experts consider all three potential varieties to be one species. Rockhopper penguins are among the smaller species of penguin. They range from 3 inches to 6 where males are larger than females. After
Bird tracks Bird tracks Bird tracking provides a way to assess the habitat range and behavior of birds without ever seeing the bird. Bird tracking falls under the category of tracking and is related to animal tracking. A guide to bird tracking has been published. Bird tracking is a tool used by naturalists to assess what birds are present in an ecosystem even if the bird is rarely seen. In the Pacific Northwest of the United States, a program called NatureMapping collects data by educating the public and having them pool their data in a citizen science application. Data can be collected