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Animals

Dinosaur-Era Bird Wings Preserved in Amber

The fossils include the first examples of hair follicles and feather arrangements from the Cretaceous, revealing that both were about the same as they are today.

June 28, 2016
11:00 AM EDT
The "angel wing," under a compound microscope, show pigment banding in feather barbules, and the outline of the Cretaceous bird's claw. Credit: Royal Saskatchewan Museum (RSM/ R.C. McKellar)
Image: An enantiornithine is partially ensnared by tree resin, based on the "angel wing" specimen. Credit: Chung-tat Cheung
The photography station at the Royal Saskatchewan Museum (Regina, Canada) used to capture the amber-entombed specimen images. Credit: Royal Saskatchewan Museum (RSM/ R.C. McKellar)
Photo: Down feathers from "Rose." Credit: Royal Saskatchewan Museum (RSM/ R.C. McKellar)
Image: Merged bone and soft tissue reconstructions of the wings in amber (synchrotron x-ray micro-CT data). Credit: Lida Xing
"Angel wing" pigment banding. Credit: Royal Saskatchewan Museum (RSM/ R.C. McKellar)