Dr Olivia Plateau, Department of Earth Sciences, writes: Birds, the only surviving branch of the theropod dinosaurs, are one of the most species-rich extant vertebrate groups with more than 11,000 species. They show great diversity in terms of size, colour, shape and ecology, occupying almost all habitats on the surface of the Earth. I am an evolutionary biologist, and I am particularly interested in the … Continue reading Bird Palates and Feeding