Lida Xing/NatureThe tiny dinosaur known as Oculudentavis Khaungraae was so small that it was the size of a hummingbird.

The largest and the smallest: dinosaurs reached an amazing range in size through the Mesozoic Era. Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to ...

The smallest dinosaur is alive today in the form of the tiny bee hummingbird. Research suggests there is a strong link between dinosaurs and birds. The largest-ever dinosaur is open to debate.