Birds Evolved From Dinosaurs Slowly—Then Took Off
news.nationalgeographic.com
Birds evolved from dinosaurs in patchwork fashion over tens of millions of years before finally taking to the skies some 150 million years ago, paleontologists report.
LEARN MORE ABOUT THE UTAH GEOLOGICAL SURVEY
The Utah Geological Survey (UGS) is a division of the Utah Department of Natural Resources. Several specialized programs comprise the UGS: Data Management, Energy & Minerals, Geologic Hazards, Geologic Information & Outreach, Geologic Mapping, Groundwater & Wetlands, and Paleontology.
QUICK LINKS
CONTACT INFORMATION
1594 West North Temple, Suite 3110
Salt Lake City, Utah 84116
801-537-3300 (phone)
801-537-3400 (fax)
Mailing Address:
PO BOX 146100
Salt Lake City, Utah 84114
HOURS
Monday through Friday,
8 a.m. to 5 p.m.
