Lizard Evolution–New Book on the Way!

In December, my third Scientists in the Field book “The Lizard Scientists: Studying Evolution in Action” will come out.  It follows scientists studying evolution in the anole family of lizards as they adapt to new environments in the Caribbean islands. I’d seen a wildlife film, “Laws of the Lizard” and …

When the Wolves Returned: Restoring Nature’s Balance in Yellowstone

In 1995 wolves were brought back to the Yellowstone ecosystem after an absence of about 70 years. Since then, the wolves have thrived, and the ecosystem has continued to become more diverse as other keystone species such beavers are returning and adding new habitat for a huge variety of living things.


When schools aren’t open–no field trips, no biology classes– nature-loving city kids don’t need to feel deprived–they’ve got piegons!   They don’t need to go that far to watch nature in action–the windowsill or sidewalk edging can show you wildlife in action, as pigeons forage for food and male pigeons display, strut, and coo in hopes of finding a mate.

The Inspiration for “Dogs on Duty”

The inspiration for book topics can come in surprising ways. When U.S. Navy Seals Team Six killed El Quida leader Osama bin Laden, the crew included a military working dog. When people learned a dog was involved in the raid, they wanted to learn everything about it–what breed, gender, and what work such dogs do.

List of all my published books

Here is a complete list of my published books, from newest to oldest, all the way back to 1973, when one color on a book jacket was exciting, and an occasional black and white illustration with lots of text was normal.  How things have changed!!   Pika Country: Climate Change …