The bee hummingbird is the tiniest living bird in the world. It weighs less than a dime, lays eggs the size of coffee beans and is often mistaken for a bee as is flits around pollinating flowers in its native Cuba. Ninety-nine million years ago, a similar-sized bird with rows of teeth on its beak — the Oculudentavis khaungraae — flew around, likely feasting on insects.Researchers published a report in Nature this week documenting the first discovery of the bird’s skull in northern Myanmar. Trapped in a nugget of amber, this brain case likely represents the smallest dinosaur from the Mesozoic era found to date.“You can hold it up in the light and see the skull in there so clearly,” says study co-author Jingmai O’Connor, a paleontologist at the Institute of Vertebrate Paleontology and Paleoanthropology in Beijing. Dinosaurs dominated in this period of Earth’s history, and this well-preserved skull hints at what other tiny ancient species could appear in recovered…



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