MLA: “BirdNote; A A Bird Walk 65 Million Years Ago.” 2019-01-15. BirdNote, American Archive of Public Broadcasting (GBH and the Library of Congress), Boston, MA and Washington, DC.

The Wayback Machine is an initiative of the Internet Archive, a 501 (c) (3) non-profit, building a digital library of Internet sites and other cultural artifacts in digital form.

The leading theory is that a huge asteroid or comet slammed into Earth 65 million years ago, blocking sunlight, changing the climate and setting off global wildfires.

Dec 3, 2025 · The world 65 million years ago, marking the beginning of the Paleogene period, was a vastly different place than it is today. The non-avian dinosaurs, the dominant terrestrial vertebrates …

Let’s set our course for the late Cretaceous Era, 65 million years ago. Stay alert! There are dinosaurs all around us, of all sizes — and appetites — including some of the earliest birds, like this Ichthyornis. …

In 1990, dramatic support for this theory came from cosmochemist Alan Hildebrand's revelation of a 65 million year old, 112 mile wide ring structure still detectable under layers of sediment in the Yucatan …

Sixty-six-million years ago, a nearly nine-mile-wide asteroid collided with Earth, sparking a mass extinction that wiped out most dinosaurs and three-quarters of the planet's plant and animal species.

Janeway describes it as 65 million years ago. This is a rounded date.

This globe shows the location of the continents and the shape of the ocean basins 65 million years ago at the end of the Cretaceous period. This was the time when the dinosaurs were wiped out by the …

Dec 21, 2012 · Over 65 million years ago : before the dinosaurs died. Includes bibliographical references (p. 29) and index. some content may be lost due to the binding of the book.