Observer: Dan Robinett
Observer: Frank DeMartino
Observer: Herb Elliott
Observer: Sammy Cowell
Observer: Roger Meléndez Pereira
Observer: Cristina Morales
Observer: Cristina Morales
Observer: Dean Turk
Observer: Mike Furr
Observer: Markus Craig
Observer: Ernst Albegger
Observer: Julian Fernandez Chacón
Observer: Richard Edden
Observer: Hervé JACOB
Observer: Ian Gasper
Observer: Danny Byrne
Observer: Martha Morales Fernández
Observer: Sharon Ramírez Otárola
Observer: Keyner Azofeifa Gutierrez
Observer: Jessy Lopez Herra
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: matthew jensen
Observer: David Mora Vargas
Observer: Orlando Vargas Barboza
Observer: Josué Mora Granados
Observer: Orlando Vargas Barboza
Observer: Juan Céspedes
Observer: Susana Garcia-Blanco
Observer: Yen AE
Observer: Kenneth Piedra Córdoba
Observer: Susana Garcia-Blanco
Observer: Yen AE
Observer: Josué Mora Granados
Observer: Sharon González
Observer: Orlando Vargas Barboza
Observer: Sharon González
Observer: Kenneth Piedra Córdoba
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: John Missing
Observer: Susana Garcia-Blanco
Observer: Xueyan Guan
Observer: Birding Experiences
Observer: Diego Quesada
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Hans Matheve
Observer: Michèle Amyot
Observer: Danièle Laprise
Observer: Hélène Crête
Observer: Susan Steele
Observer: Bob Steele
Observer: Lisa Erb
Observer: Diane St-Jacques
Observer: Javier Antonio Pérez Chaves
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Susana Garcia-Blanco
Observer: Thomas Brown
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Thomas Brown
Observer: Chris Fischer
Observer: Susana Garcia-Blanco
Observer: Thomas Brown
Observer: Chris Fischer
Observer: Susana Garcia-Blanco
Observer: Thomas Brown
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Susana Garcia-Blanco
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Chris Fischer
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Susana Garcia-Blanco
Observer: Tomohide Cho