. The birds of the Republic of Panama. Birds. FAMILY HIRUNDINIDAE 9 February 14, 1966, the iris was dark brown, bill black, tarsus and toes fuscous-brown; claws black. A third, from the second locality, March 9, 1966, had the tarsus, toes, and claws black. In this third bird the tongue was flesh color, and the lining inside the mouth was black. Measurements.—Males (10 from Panama), wing (), tail (), oilmen from base (), tarsus () mm. Females (10 from Panama), wing (), tail (), culmen from base (),
. The birds of the Republic of Panama. Birds. FAMILY HIRUNDINIDAE 9 February 14, 1966, the iris was dark brown, bill black, tarsus and toes fuscous-brown; claws black. A third, from the second locality, March 9, 1966, had the tarsus, toes, and claws black. In this third bird the tongue was flesh color, and the lining inside the mouth was black. Measurements.—Males (10 from Panama), wing (), tail (), oilmen from base (), tarsus () mm. Females (10 from Panama), wing (), tail (), culmen from base (), tarsus () Figure 1.—Mangrove Swallow, Golondrina Manglera, Tachycineta albilinea. Resident. Common throughout the lowlands, mainly along the larger rivers and over open water around the coastal mangrove swamps; seen regularly along the Panama Canal, on Gatun Lake, and in bays on the coasts, usually near the mouths of the rivers. Rare in the highlands. Recorded on Islas Verde and Cebaco in Golfo de Montijo; Isla Coiba. From January to May these small swallows are seen in pairs or little groups; in the second half of the year they sometimes gather in larger groups of 50 or more. They range over open water along the larger streams, often resting on fallen branches or logs stranded in the water. A few may be seen flying along beaches or over pastures and other. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Wetmore, Alexander, 1886-1978. Washington : Smithsonian Institution
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Keywords: ., bookcentury1900, bookpublisherwashingtonsmiths, booksubjectbirds
