Sennar Penduline-Tit

A small, warbler-like wren of Andean cloud forest. Plumage is gray and white with a barred tail and vent, brownish crown, and faint streaking on the head. When seen from below in poor lighting conditions, the barred tail is usually the best feature to look for. Stays high in the canopy and is almost always encountered with mixed-species flocks. Vocalizations are very high-pitched and include gravelly trills and siren-like whistles.

Large, boldly patterned shorebird of high Andean bogs, wetlands, and lakeshores; also ranges into grassy pastures in the northern part of its range. Usually in pairs or loose flocks, feeding with typical stop-start action of plovers. Little or no range overlap with Southern Lapwing of lowlands and foothills. Note dove-gray head and breast (no crest) and pink bill and legs (duller on immature). In flight shows bold black-and-white pattern on wings and tail. Often noisy, especially when flushed.

Large social wren of arid scrub in interior of southwest Mexico; endemic. Favors thorn forest and cactus scrub, including around towns and villages. Usually in small social groups, which can be conspicuous at times and at other times very skulking and elusive. No similar wrens in its limited range. Note the long bill, boldly spotted underparts, and barred tail. Thrashers (Curve-billed and Ocellated) occur in same range but are appreciably larger, with plain wings and tail.