THUNBERG'S SWIFTLET.

Hirundo fuciphaga Thunberg, K. Vet. Acad. Nya Handl., (1812),

33, 153, pl. 4.

Collocalia fuciphaga Hartert, Cat. Birds Brit. Mus. (1892), 16,

498; Sharpe, Hand-List (1900), 2, 89; Oates and Reid, Cat. Birds'

Eggs (1903), 3, 75.

Salangana fuciphaga McGregor and Worcester, Hand-List (1906), 58.

Collocalia fuciphaga fuciphaga Oberholser,

Proc. Acad. Nat. Sci. Philad. (1906), 58, 185.

Cebu (Steere Exp., Bourns & Worcester); Luzon (Whitehead,

Bourns & Worcester, McGregor); Mindoro (Steere Exp., Bourns &

Worcester, McGregor); Negros (Everett, Steere Exp., Whitehead);

Palawan (Whitehead, Steere Exp.); Panay (Steere Exp., Bourns

& Worcester). Nias, Java, Borneo, Natuna Islands, Mariana and

Caroline Islands, New Guinea, Duke of York, Friendly and Loyalty

Islands.

Adult.--Very similar to Collocalia whiteheadi but the tarsi distinctly

feathered. Hartert gives the following description and measurements:

"Upper surface dark sooty brown with very little gloss; head,

wings, and tail darker and more glossy; feathers in front of the

eye whitish with dark brown tips; lower surface brownish gray with

darker shaft-stripes; under wing-coverts blackish brown. Total length,

about 114; bill at base, 4; wing, 112 to 119; tail, 56. The young

bird is like the adult in plumage." (Hartert.)

"Two males measure, 120 in length; wing, 107; tail, 46; culmen, 6;

tarsus, 7; middle toe with claw, 9. Two females: Wing, 116; tail,

48; culmen, 6; tarsus, 10; middle toe with claw, 7. Bill, feet,

and nails black, legs light brown." (Bourns and Worcester MS.)

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