Research interests Phylogeny, diversification and trait evolution My research focuses on modelling the diversification of species and traits at a macroevolutionary scale. I am particularly interested in how we can use information on the phylogenetic relationships among species to infer how present day biodiversity has arisen over time and ask: How and why do lineages and traits diversify? What are the consequences of varying tempo and mode of lineage and trait evolution for temporal and spatial patterns of diversity? My research group works closely with the Natural History Museum and we have collected extensive data bill shapes and plumage colours from all extant bird species (~10,000 species) using museum study skins (mainly the NHM at Tring and also the University of Manchester Museum). You can get involved with this ERC-funded project with our Bird bill citizen science project at markmybird.org and with plumage evolution at projectplumage.org.