This study reports an occurrence of Eurasian Wigeon (Mareca penelope) at Lago de Guadalupe in Cuautitlán Izcalli, State of Mexico. In January, February, and March 2021, we documented one individual foraging and swimming. Our observation is the first record of this species in central Mexico, 650 km southwest of the closest prior record in Mexico. We concluded that the Eurasion Wigeon individual probably migrated with American Wigeon (Mareca americana) individuals.
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