- Collocalia germani Oustalet, Bull. Soc. Philom. Paris (1876), 1–3.
- Collocalia francica Hartert, Cat. Birds Brit. Mus. (1892), 16, 503 (part); Sharpe, Hand-List (1900), 2, 90 (part); Oates and Reid, Cat. Birds’ Eggs (1903), 3, 76 (part).
- Salangana francica McGregor and Worcester, Hand-List (1906), 58.
- Collocalia francica inexpectata Mearns, Proc. Biol. Soc. Wash. (1905), 18, 90.
- Collocalia francica germani Oberholser, Proc. Acad. Nat. Sci. Philad. (1906), 58, 201.
Ca-li-pat′-pat, Cuyo; sa-lin-ba-bá-tang, Cagayancillo.
Cagayancillo (McGregor); Cagayan Sulu (McGregor, Mearns); Calamianes (Bourns & Worcester, McGregor); Cebu (Steere Exp.); Cuyo (McGregor); Negros (Steere Exp.); Panay (Bourns & Worcester). Mergui Archipelago; Tenasserim; Malay Peninsula; Siam; Candore Island; Cochin China.
Adult.—Similar to Collocalia whiteheadi but easily recognized by the whitish or smoky gray band across rump; shafts of rump-feathers darker; tarsi unfeathered.
Young.—Probably the young bird is much like the adult, as with other species of the genus.
“Four males from Culion measure, 112 in length; wing, 115; tail, 50; culmen, 5; tarsus, 9; middle toe with claw, 9. Iris dark brown; legs and feet light brown; bill and nails black.” (Bourns and Worcester MS.)
317. COLLOCALIA TROGLODYTES Gray.
PYGMY SWIFTLET.
- Collocalia troglodytes Gray, Gen. Birds (1845), 1, 55, pl. 19; Hartert, Cat. Birds Brit. Mus. (1892), 16, 507; Sharpe, Hand-List (1900), 2, 90; Oberholser, Proc. Acad. Nat. Sci. Philad. (1906), 58, 202.
- Salangana troglodytes McGregor and Worcester, Hand-List (1906), 59.
Bú-ta bú-ta and sai-aó, Bohol, also used for Salvadori’s swiftlet.