Founder's Briefs: An occasional series where Mongabay founder Rhett Ayers Butler shares analysis, perspectives and story summaries. On April 20, on the south coast of Timor-Leste, Jafet Potenzo Lopes saw three green pigeons. He had not seen the species for years. The birds were Timor green pigeons, and the site, in Manatuto municipality, had no previous record of them. With the species nearing extinction, finding three birds in a new place was e…