Gray-rumped Swift

SCI Name:  Chaetura cinereiventris
Protonym:  Chaetura cinereiventris Cat.Coll.Am.Birds p.283
Taxonomy:  Caprimulgiformes / Apodidae / Chaetura
Taxonomy Code:  grrswi1
Type Locality:  Bahia.
Author:  Sclater, PL
Publish Year:  1862
IUCN Status:  Least Concern

DEFINITIONS

CHAETURA
(Apodidae; Ϯ Chimney Swift C. pelagica) Gr. χαιτη khaitē  long flowing hair; ουρα oura  tail; "GENUS XLI.—CHÆTURA mihi.  Beak with the lower mandible straight at the tip.  Wings very long.  Tail very short; its feathers subulated and acute at the tip.  HIRUNDO Auctorum.—CYPSELUS, pars. Temm.    Sp. 1. Ch. pelasgia. Hirundo pelasgia. Steph. v. x. 128.—North America.   Sp. 2. Ch. Martinicana. Hirunda acuta. Steph. v. x. 131. pl. 15.—West Indies.   Sp. 3. Ch. pacifica. Hirundo pacifica. Steph. v. x. 132.—New Holland.   Sp. 4. Ch. australis. Hirundo caudacuta. Steph. v. x. 133.—New South Wales.   Sp. 5. Ch. fusca. Hirundo fusca. Steph. v. x. 133.——?   Sp. 6. Ch. collaris.  ...  INHABITS Brazil." (Stephens 1826); "Chætura Stephens, in Shaw's Gen. Zool., 13, pt. 2, 1826, p. 76. Type, by subsequent designation, Chaetura pelasgia Stevens [sic] = Hirundo pelagica Linné. (Swainson, Zool. Illustr. (2), 1, 1829, text to pl. 42.)" (Peters, 1940, IV, p. 235).
Var. Chatura, Chaturae.
Synon. Acanthura, Acanthylis, Pelasgia, Uranteris.

cinereiventris
L. cinereus  ash-coloured  < cinis, cineris  ashes; venter, ventris  belly.

SUBSPECIES

Gray-rumped Swift (phaeopygos)
SCI Name: Chaetura cinereiventris phaeopygos
phaeopygos / phaeopygus
Gr. φαιος phaios  dusky, brown; -πυγος -pugos  -rumped  < πυγη pugē  rump.

Gray-rumped Swift (occidentalis)
SCI Name: Chaetura cinereiventris occidentalis
occidentale / occidentalis
L. occidentalis  western  < occidens, occidentis  west  < occidere  to set. This toponym was frequently given to taxa discovered in locations west of previously known populations.
● Cocal, Western Andes, Colombia (Dysithamnus).
● Jamaica; ex “Onocrotalus” or “Pelecanus fuscus” of Sloane 1725, “Pelican of America” of Edwards 1747, and “Pelecanus” of Browne 1756 (Pelecanus).
● TL. Day Dawn, Western Australia; "Westralian Wedgebill" (Mathews 1912) (Psophodes).

Gray-rumped Swift (Ash-rumped)
SCI Name: Chaetura cinereiventris [sclateri Group]
CHAETURA
(Apodidae; Ϯ Chimney Swift C. pelagica) Gr. χαιτη khaitē  long flowing hair; ουρα oura  tail; "GENUS XLI.—CHÆTURA mihi.  Beak with the lower mandible straight at the tip.  Wings very long.  Tail very short; its feathers subulated and acute at the tip.  HIRUNDO Auctorum.—CYPSELUS, pars. Temm.    Sp. 1. Ch. pelasgia. Hirundo pelasgia. Steph. v. x. 128.—North America.   Sp. 2. Ch. Martinicana. Hirunda acuta. Steph. v. x. 131. pl. 15.—West Indies.   Sp. 3. Ch. pacifica. Hirundo pacifica. Steph. v. x. 132.—New Holland.   Sp. 4. Ch. australis. Hirundo caudacuta. Steph. v. x. 133.—New South Wales.   Sp. 5. Ch. fusca. Hirundo fusca. Steph. v. x. 133.——?   Sp. 6. Ch. collaris.  ...  INHABITS Brazil." (Stephens 1826); "Chætura Stephens, in Shaw's Gen. Zool., 13, pt. 2, 1826, p. 76. Type, by subsequent designation, Chaetura pelasgia Stevens [sic] = Hirundo pelagica Linné. (Swainson, Zool. Illustr. (2), 1, 1829, text to pl. 42.)" (Peters, 1940, IV, p. 235).
Var. Chatura, Chaturae.
Synon. Acanthura, Acanthylis, Pelasgia, Uranteris.

Gray-rumped Swift (Gray-rumped)
SCI Name: Chaetura cinereiventris cinereiventris
cinereiventris
L. cinereus  ash-coloured  < cinis, cineris  ashes; venter, ventris  belly.