. Directory to the birds of Eastern North America .. . F. 1-2. C, d, 3. Cries, similnr to 2 but harsher. Common. 4. ARCTIC TERN, S. paradisaea ; differs from 2 inhaving the bill nearly red, plate 5, the under parts jiearlygray and the feet coral-red. Young have the bill wholly black,the feet yellow, but the rump is always abruptly hemisphere; in N. A. breeding from Me. (formerlyMass.) northward; winters south of the U. S.; time of mi-gration like 2; cries also similar. Not now at all common onthe coast of the U. S. ROSEATE TERN, S. dougalli ; differs from 2 in be- Fie-. m. 5. in
. Directory to the birds of Eastern North America .. . F. 1-2. C, d, 3. Cries, similnr to 2 but harsher. Common. 4. ARCTIC TERN, S. paradisaea ; differs from 2 inhaving the bill nearly red, plate 5, the under parts jiearlygray and the feet coral-red. Young have the bill wholly black,the feet yellow, but the rump is always abruptly hemisphere; in N. A. breeding from Me. (formerlyMass.) northward; winters south of the U. S.; time of mi-gration like 2; cries also similar. Not now at all common onthe coast of the U. S. ROSEATE TERN, S. dougalli ; differs from 2 in be- Fie-. m. 5. ing more slender in formwith a longer tail whichis all white, and the out-er leathers are very nar-row ; strongly tinged withrosy below; bill, usuallyall black, but is some-times orange at base; feet, yellow, plate 6. The % young have the backquite heavily but irregu-larly banded and mottledwith dusky, and the cap. I^, C, d, 5. 1-10. dusky narrowly streaked with white, fig. 66; the outer web 54 TERNS. of the outer feather of the short tail is nearly white; feet,black. The adult is the most graceful as well as the mostbeautiful of our terns. Cry, O-ar-ar-ar ; a peculiar roll-ing sound difficult to imitate; it is harsher than in 2. Tem-perate and Tropical regions, breeding on the Atlantic coastof N. A. from the south shore of Mass. southward; wintersfar south of our limits; comes north in May; goes south inSep. Common. e. Little Terns. Sternula. Size, small; bill, very slender; form much as in d andthe colors are much the same, but there is a sharply definedlunette of white on the forehead, fig. 67. 1. LEAST TERN, S. antillarum. Our smallest Tern,; entire upper parts, inclu- Fig. 67. ing tail, pale, pearl-grey ; twoouter primaries, sooty-blackon outer portion; outer tailfeather, mostly white; purewhite beneath; bill, yellow,black at exteme tip; feet, yel-low. In winter the white offorehead is
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