Francisco Piedrahita: Cigueñuela, Black-necked Stilt (Himantopus mexicanus)
Francisco Piedrahita: Cigüeñuela, Black-necked Stilt (Himantopus mexicanus)
Francisco Piedrahita: Cigüeñuela, Black-necked Stilt (Himantopus mexicanus) (Himantopus himantopus) (Himantopus himantopus mexicanus)
Francisco Piedrahita: Cigüeñuela, Black-necked Stilt (Himantopus mexicanus) (Himantopus himantopus mexicanus)