The asteroid that struck the Yucatán 66 million years ago wreaked worldwide ecological damage, spelling the end for most dinosaurs and destroying the world’s forests. Yet a few bird-like dinosaur groups made it through. Scientists believe that these groups were all ground-dwellers. Though some species could fly, a life on the ground would have been a key advantage in a world without forests. All modern birds evolved from these ancient creatures.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

The White-tailed Hawk thrives in the grassy plains of the Texas Coastal Plain, where many tropical species reach the northern limit of their ranges. White-tailed Hawks often hunt by kiting: hovering like a kite in the breeze with the wings held in a “V” above the body, dropping suddenly on their prey. When a grass fire breaks out, they hunt small animals fleeing from the fire’s edge.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

John Kessler served as BirdNote’s senior producer for over 18 years. But before BirdNote existed, he was recording the sounds of Seattle for public radio station KPLU, now called KNKX. After capturing many of Seattle’s well-known spots on tape, he broadened his scope by connecting with local birders to find the best places to hear birds around town. Shortly after, BirdNote's founder, Chris Petersen, sought out John's musical ear to help create a sound-rich show highlighting the joy of birds.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

The Belted Kingfisher dashes through the air, warning intruders with its rapid-fire, rattling call. In spring, the best places to see Belted Kingfishers are along sandy banks – they are busy digging burrows, where they will nest. The holes typically reach three to six feet into the bank, but some nesting holes can extend 15 feet.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

In this episode featuring Aviary — the shapeshifting bird superhero — the surprising abilities of birds come in handy when a student gets lost exploring a cave with his class. Aviary remembers an amazing bird called the Himalayan Swiftlet that’s able to echolocate like a bat, and enlists this species’ superpower to save the day.More info and transcript at BirdNote.org. Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks. BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.