Eastern gray squirrels threaten red squirrel populations across Europe. This series highlights the innovative technology scientists use to track and control this invasive population. Engaging inquiry-based sidebars encourage young readers to think, create, guess, and ask questions. Book includes a table of contents, glossary, index, author biography, and sidebars.

Eastern gray squirrels threaten red squirrel populations across Europe. This series highlights the innovative technology scientists use to track and control this invasive population. Engaging inquiry-based sidebars encourage young readers to think, create, guess, and ask questions. Book includes a table of contents, glossary, index, author biography, and sidebars.