I have (finally!) written a guest blog for World Land Trust, about meeting macaws, a few conservation dilemmas and the super-importance of city-side forests. WLT support brilliant biodiversity work around the world, including the Cerro Blanco Reserve that I visited in Ecuador. The blog is on their site here:
https://www.worldlandtrust.org/news/2017/11/a-6000-mile-bike-journey-with-a-stop-for-macaws/