Black-necked Stilt
Himantopus mexicanus
Measurements: Length: 13.8–15.3 in (35–39 cm) Weight: 5.3–6.2 oz (150–180 g) Wingspan: 28.1–29.7 in (71–75 cm) They have long pink legs and a long thin black bill. They are white below and have black wings and backs. The tail is white with some grey banding. A continuous area of black extends from the back along the hind neck to the head. There, it forms a cap covering the entire head from the top to just below eye-level, with the exception of the areas surrounding the bill and a small white spot above the eye.
ID text from Wikipedia, CC BY-SA 4.0
Pied Stilt
Himantopus leucocephalus
The pied stilt grows to a length of about 14 in (36 cm) with a wingspan of about 26.5 in (67 cm). The back of the head and neck, the back and the upper surfaces of the wings are glossy greenish-black. The undersides of the wings are plain black and the remainder of the plumage is white, apart from the tail feathers which are tinged with grey. The long, thin legs are pink and the toes have black claws. The long slender beak is black and the irises and the eyelids are red.
ID text from Wikipedia, CC BY-SA 4.0
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