Читать книгу A Manual of Philippine Birds - Richard C. McGregor - Страница 229

 a1. Tarsus transversely scaled in front, reticulated behind; culmen more than 65 mm.; bill decurved. Numenius (p. 114)

 a2. Tarsus transversely scaled both in front and behind.b1. Bill decurved; culmen less than 50 mm. Mesoscolopax (p. 119)b2. Bill straight or slightly upturned.c1. Much larger; culmen more than 70 mm.; bill recurved and slightly exceeding tail. Limosa (p. 119)c2. Much smaller; culmen less than 65 mm.d1. Culmen equal to, and usually greater than, middle toe with claw.e1. Tarsus longer than middle toe with claw.f1. Tarsus about one and one-half times the length of middle toe with claw.g1. Culmen not recurved. Totanus (p. 122)g2. Culmen slightly recurved. Glottis (p. 129)f2. Tarsus but little greater than middle toe with claw.g1. Culmen slightly recurved. Terekia (p. 127)g2. Culmen not recurved.h1. Axillars not uniform white.i1. Axillars gray. Heteractitis (p. 124)i2. Axillars brown barred with white. Helodromas (p. 123)h2. Axillars pure white. Actitis (p. 126)d2. Culmen shorter than middle toe with claw, about equal to toe without claw. Rhyacophilus (p. 130)