55-million-year-old fossil bird reveals how trogons evolved their unusual feet; reversed toe came before the big toe shrank
PC: Journal of Systematic Palaeontology A fossil bird from Denmark is helping researchers understand how the unusual feet of modern trogons evolved. The fossil belongs to a species called Daniatrogon kochi, which lived about 55 million years ago during the Early Eocene. Researchers found the fossil in 1989 on the Danish island of Mors in … Read more