Ancient Dinosaur Poop Holds Secret to Bird Survival

Topic: Biology

Scientists found a 66-million-year-old feather in dinosaur poop. This discovery may help explain why birds survived a massive asteroid impact that wiped out most dinosaurs.

About 66 million years ago, a large dinosaur swallowed a bird. The evidence of this ancient meal was preserved in fossilized feces, which contained the finest feather specimen yet discovered from the age of dinosaurs.

The researchers who studied this feather believe it may hold an important clue to why birds became the only dinosaur lineage to survive the mass extinction at the end of the Cretaceous Period. The oldest known bird, Archaeopteryx, lived about 150 million years ago and continued evolving alongside other dinosaurs for nearly another 100 million years.

The researchers found several feathers, tiny scales from a gar fish, and leg bones belonging to a hesperornithiform bird inside the coprolite. They used CT imaging to see what was hidden inside the rock without having to destroy it.

This discovery is significant because it shows that fossil poop can be a valuable source of information about ancient life forms. The researchers who made this discovery are excited about the possibilities it holds for understanding why some birds survived the asteroid impact while others did not.

Why It Matters

This discovery may help us understand how some species survive massive events like asteroid impacts, which could have implications for conservation efforts and our understanding of evolution.

Key Facts

• The feather was found in a coprolite (fossilized feces) from a dinosaur that lived about 66 million years ago.
• The discovery may help explain why birds survived the mass extinction at the end of the Cretaceous Period.
• The oldest known bird, Archaeopteryx, lived about 150 million years ago.
• The researchers used CT imaging to study the feather without damaging it.
• Fossil poop can be a valuable source of information about ancient life forms.

Key Terms

Coprolite

A fossilized piece of feces from an ancient animal.

CT imaging

A technique that uses X-rays to create detailed images of the inside of objects without damaging them.

Hesperornithiform bird

An extinct type of bird that lived during the Cretaceous Period.

Implications

This discovery may help us understand how some species survive massive events like asteroid impacts, which could have implications for conservation efforts and our understanding of evolution.