Information on abundance and occurrence of two recently recorded species of ducks for Costa Rica

by Julio Sánchez, Jim Zook, Ernesto Carman, Luis Sandoval
Published 2014-05-01

Range expansion and noteworthy records of Costa Rican birds (Aves)

by Luis Sandoval, Daniel Martínez, Diego Ocampo, Mauricio Vásquez Pizarro, David Araya-H., Ernesto Carman, Mauricio Sáenz, Adrián García-Rodríguez
Published 2018-01-01