This light, portable and easy-to-use field guide is a must for all birders visiting or residing in Ecuador, a good companion to the masterpieces of Krabbe and Nilsson (2003) and Ridgely and Greenfield (2001, 2006). [...] I eagerly welcome any new publication on the birds of Ecuador, especially if it is as well executed as this Fieldbook and written by such an experienced and knowledgeable colleague as Lelis Navarrete. No more reading – get a copy and go birding!