On 16 June 2021, during the spring–summer monitoring for nesting shorebirds, we found a dead subadult male Nazca Booby (Sula granti, Figure 1) on the inner side of the sandbar at the mouth of the Estero Punta Banda, south of the city of Ensenada, Baja California, Mexico (31° 46ʹ 25˝ N, 116° 37ʹ 17˝ W). The specimen was found in a site with halophytic plants dominated by Abronia maritima and Carpobrotus edulis. The specimen was identified by its peculiar coral/pink bill with yellower tip in comparison with the yellowish bill color of the Masked Booby, Sula dactylatra (Cuccaro-Díaz et al. 2020). Also, a dorsal view of the central tail feathers shows the white extending from the base of the tail to beyond half its length (Figure 2).