Nearly 20 years ago, while repairing a fence on his ranch in Colombia, fossil collector César Perdomo found the middle leg bone of a bird. The 12-million-year-old fossil, known as a tibiotarsus ...
Colombia is the second most bio-diverse country in the world after Brazil. It also has more bird species - 1,958 at latest count - than any other country. If there were a game of Top Trumps for ...