乱伦社区

September 10, 2026

Fossil feathers preserved inside dinosaur poop could help explain why some birds survived the dinosaur mass extinction

An illustration of a fishing hesperornithiform (an extinct bird similar to a loon) unexpectedly becoming an opportunistic meal for a hungry Nanotyrannus hunting along the banks of a shallow lake. In the background, a second Nanotyrannus startles a flock of birds while giving chase. In the foreground, two turtles prepare for a quick exit into the murky water.

A UW-led research team has discovered the best-preserved fossil feathers from the Mesozoic era 鈥� in fossilized dinosaur poop. Some of these feathers have features that look like modern birds鈥� feathers. This finding can help researchers better understand why and how some birds survived the catastrophic event 66 million years ago that killed 75% of life on the planet.

January 24, 2017

Prized fossil find 鈥� the oldest, most complete iguanian in the Americas 鈥� illuminates the lives of lizards in the Age of Dinosaurs

Paleontologists picking through a bounty of fossils from Montana have discovered something unexpected 鈥� a new species of lizard from the late dinosaur era, whose closest relatives roamed in faraway Asia.