Orochelidon flavipes (Pale-footed Swallow)
11-12 cm. Dark metallic blue above, buff-ochre or cream throat, the rest of the underparts white, some dark marks on the sides, black crissum. The Golondrina Azuliblanca (Pygochelidon cyanoleuca) is entirely white below, so the contrast with the upperparts is more pronounced. In addition, the…