Gallery: Mexico Monarch Trip

Above: On our first day in the Galápagos, we unloaded the luggage and immediately headed out to photograph penguins. I had no idea there would be so many!

When we picture migrations in North America, often we think of songbirds heading south for the winter. But there are lots of other animals that make seasonal treks on a large scale.

Bridging North and South America, Panama is a small but remarkable country full of jungles, mountains, and wetlands teeming with resident and migratory birds.