Meet the giant, flightless, axe-beaked predators that ruled prehistoric South America after the dinosaurs, and find out how they lived, hunted, and eventually disappeared.

Before you can trust a fact about birds, you have to trust the process behind it. Here's how that process works.

Uncover the bizarre aquatic adaptations of grebes, as well as their quirky behaviors and spectacular courtship dances that make these fluffy-butted waterbirds unique.

Join Ivan on a wild journey through Australia's rugged Outback and ancient rainforests to track down special birds.

Meet the bird that's everywhere, eats your crops, attacks Bald Eagles, and is somehow still in decline

Dive into the fascinating biology, rich diversity, and evolutionary history of the ultimate avian predators.

Ivan scouts Romania for a future birding tour, braving broken binoculars to explore the legendary Danube River Delta and crossing the Carpathian Mountains into Transylvania.

Discover the unique ecology of the world's rivers and the extraordinary adaptations of the specialized bird species that call these turbulent waterways home.

Learn about a common woodpecker that forages like an anteater, comes in two distinct color forms, and has a habit of drumming on your roof.

Why some birds turn up way beyond their normal range, and how these wrong turns can sometimes shape migration, range expansion, and even evolution