Birds Got Their Colorful, Speckled Eggs From Dinosaurs
Nell Greenfieldboyce, All Things Considered, October 31, 2018
https://www.npr.org/2018/10/31/662515369/birds-got-their-colorful-speckled-eggs-from-dinosaurs
Dinosaurs put all colored birds' eggs in one basket,
evolutionarily speaking, Yale University, October 31, 2018
https://www.sciencedaily.com/releases/2018/10/181031141548.htm
Jasmina Wiemann, Tzu-Ruei Yang & Mark A. Norell
Dinosaur egg colour had a single evolutionary origin
Nature (October 31, 2018)
https://www.nature.com/articles/s41586-018-0646-5
Yours,
Paul H.