What is the largest rodent native to North America, known for building dams?

Which Mexican peninsula is home to the lagoons where migrating gray whales give birth?

In which region of the United States does the Gila monster, one of the country's few venomous lizards, live?

The mountain lion has more English names than any other animal. Which of the following is NOT one of them?

In which Texas city does North America's largest urban bat colony emerge from under the Congress Avenue Bridge each summer?

Which US state has by far the largest population of bald eagles?

Which North American mountain range is most associated with bighorn sheep and their head-butting duels?

In which US state do wild Banker ponies roam the beaches of the Outer Banks?

Into which US state does the jaguar, the largest cat in the Americas, occasionally wander?

Along which coast are sea otters, known for cracking open shellfish with rocks, a keystone species in kelp forests?