hilty & ascanio 2009

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A NEW SPECIES OF SPINETAIL (FURNARIIDAE: SYNALLAXIS)

FROM THE RÍO ORINOCO OF VENEZUELA

Resumen.—S é Synallaxis–S. beverlyae ó fl í O ó í P A, f -, ój O, V. E í fi q f f x x . C j, S. albescens, á S. albigularis, S. hypospodia, S. spixi. L á , , ó j ó í. S ó q ó ífi ó ó.

— 485 —

Te Auk 126(3):485492, 2009 T A O’ U, 2009.P USA.

Te Auk, V. , N , . ISSN -, ISSN -. T A O’ U. A . P

q f U f Cf P’ R P , ://.j.

/If.. DOI: ./..

Una Nueva Especie de Furnariidae (Synallaxis) del Río Orinoco en Venezuela

STEVEN L. HILTY1,2,4

AND DAVID ASCANIO3

1 Natural History Museum and Biodiversity Research Center, University of Kansas, Lawrence, Kansas 66045, USA;26316 West 102nd Street, Shawnee Mission, Kansas 66212, USA; and

3 Apartado Postal 78006, La Urbina 1074, Caracas, Venezuela

4E-: @..

Abstract.—W f , Synallaxis beverlyae (Rí O S), f f f Rí O V j C. T x x x. I P- S (S. albescens), D- S (S. albigularis),C- S (S. hypospodia), Sx’ S (S. spixi). T , f , j j . I f -

. T q f S. beverlyae . Received February , accepted September .

K wod: F, , Rí O, Rí O S, , Synallaxis beverlyae, V.

On 3 January , S.L.H. RíO, ~ f P A, V. P , f , f fl (Stigmatura .) . H f , q - Synallaxis. H, f . D x , f P- S (Synallaxis albescens) , f f P- S f x. A fi , x’ .

S.L.H. f Có Oóí P C f f

Stigmatura . I M , f Synallaxis. P f

, f Stigmatura. O f Synallaxis . J . T f Synallaxis “ -” (H ). Sq, f f, f Rí O. I J , - f f O f D A, S.L.H.’ -, D.A. f f Synallaxis ,, - “I C-á.” I A , f (Salix . essaria .) O , “I L P,” f O D. T f x , - O R.

O O , f ~

V E N I Cá, fl f (“Z”). ,



486 — HILTY AND ASCANIO — AUK, VOL. 126

, M. B, V. E, P. E, A. F,P. Gfi, R. S. R, A. W , K. J. Z, x f -’ . B -, f x. S ( – ) - fl. T f . B , f f Synal-

laxis ~ f . A f - . f – , . f - f J B D C. S , f PA. I ,

Synallaxis beverlyae, . .Rí O S

Guitío del Río Orinoco (S)

Holotype.—Có Oó P (COP), C, ., f ( ; % fi), f f “IG” ( N, W; ), RíO, ~ f P. A, V (F. ).T f V C. C- M D.A., M. L, I. Cñ; - I. Cñ. R f S.L.H. M L, C L f O, I,N Y ( : LNS –). P J B ( V R f O- [VIREO], A f N S, P[ : //–//]).

Diagnosis: Morphology.—A Synallaxis -, f ; , ,

FIG. 1. Map of Venezuela showing approximate locations on Río Orinoco of Synallaxis beverlyae. (1) Type-locality island in middle Río Orinoco,Amazonas, Venezuela; (2) Isla La Playa in Río Mánamo, Delta Amacuro (visual and vocal evidence); and (3) Isla Caimán in the southern branch of Río

Orinoco, Delta Amacuro (visual, vocal, and photographic evidence).



JULY 2009 — NEW SPECIES OF SPINETAIL — 487

, ,- f (F. ). Sx . T S. albescens, f .I Sx’ S(S. spixi) f A f f B A, W- S (S. propinqua), - x A (R ). C S. a. trinitatis ( x S. a. insignis; R ), ; f, f , ; ; f

f f ; -f f x; ( f S. a. insignis–trinitatis); ( ); (contra -

S. albescens). F (?), x ; f , f S. albescens . T ff- x

f f f - S. albescens, S. a. australis, . T x ff f Synallaxis (). M - f x f S. a. insignis–trinitatis - .

Diagnosis: Voice.—T f f Synallaxis f f f , , f: () - - ,f fi ( f f -); () - , , - , - ; () f , ; () f f , fi ff f f , -

“ ” . Synallaxis beverlyae , D- S(S. albigularis), C- S (S. hypospodia), S. spixi, f . N f S. beverlyae ff f f S. spixi S. hypospodia - f ( -); , . T x’ f fff S. hypospodia f f . N- f S. albigularis, A , - f S. beverlyae, , , f f. A f -, ff f , , .

ype locality.—I ( ),

f f Rí O : (“I C”) f D A ( N, W) (“L P”) B,M ( N, W). A O .

FIG. 2. Adult Synallaxis beverlyae, October 2006, Isla Caimán, Río Ori-

noco, Delta Amacuro, Venezuela. (Photograph courtesy of Jim Brown.)

TABLE 1. Some standard measurements of Synallaxis beverlyae and of Synallaxis albescens trinitatis–insignis, the species most simi-

lar to the new taxon morphologically (all specimens from Venezuela; M male, F female). Mean values are given, with range and

sample size in parentheses.

Species Body mass (g) Wing a (mm) ail (mm) Culmenb (mm) arsus (mm)

S. beverlyae (M) . . . . .(–, n ) (–., n ) (.–., n ) (.–., n ) (.–., n )

S. beverlyae (F) . . . .

(.–, n ) (–., n ) (–., n ) (.–., n ) (.–., n )S. albescens (M) . . . .

(–., n ) (–., n ) (.–, n ) (.–., n )S. albescens (F) . .c . .

(–., n ) (–., n ) (.–., n ) (n )

aWing chord.bExposed culmen from base of bill to bill tip.cTail measurements of three additional females not included because of heavily worn feathers.




Description of holotype.—C f S (, ). S f - R (). F (); f f

f ( f ); , , f (), ; fi ( ) x- f f ; , f f (); ( ); f (); - f (); f (); fl f ( ), f fl f ( ); , , - , f , f ; (),

f f ( f f f); f f ; f f () f f ; f - () ; , f f- ( f f ); f f , f, - ; f f x-, ; f (), ( ) () ; f , ; - ( ). B f: ( ) f ; ,

f ; f f - .

Measurements of holotype.—W (fl) .; ( f) . ; ( f ) ; x . ; ; . S f f () .

Paratypes.—I , -. F M , f: (COP), % fi, ; (COP ), - ; (COP ), % fi, ; (COP ), . T x M , f: (COP ),

; f (COP ), ; (COP

),

. O J, f: f (COP ), . A M. L, D.A., I.Cñ .

Etymology.—T fi B J. H,f f , - , f -’ , fi L

A. T E - f.

List of tape recordings examined .—S. beverlyae: V: (S.L.H., D.A., C. M); . ( estado, )

D A, “I Cá,” f Rí O(S.L.H., D.A., ). S. albescens: V: . A, f S. beverlyae; . Fó, f Bq-; . A, H C (S.L.H.); S: Zj (S.L.H.);A: B A . ( ), f Bí B(S.L.H.); B: M G, C (K. Z); S. propin-

qua: P: . ( departamento) L, Rí N (S.L.H.);S. albigularis: P: . L, Rí N (S.L.H.); .M D, A H A (S.H.); S. sub-

pudica: C: . Bá C (Á . ); S. azarae: V: . Mé, , (S.L.H.); P:. C, M B R C Z, , (S.L.H.); S. gujanensis: V: . D A–Bí, Rí G (S.L.H.); P: . M D, A- H A (S.L.H.); B: . S C,

Jí Bá, S C (S.L.H.); S. cinerascens: B: - A (. P); M G, Cá (K. Z);M G, f Cá Pé (S.L.H.); S. spixi: A-: B A ., M (S ); S. frontalis:A: S ., f S (S.L.H.); B: . SC, f S C (S.L.H.); A: E R .,Pq N E P (S ); S. candei: V-: . L, f Bq (S.L.H.); S. castanea:V: . V, C (S.L.H.); S. unirufa:V: . Mé (S.L.H.). V f x-, f , S. rutilans,S. cherriei, S. erythrothorax, S. brachyura, S. tithys, S. maccon-

nelli, S. moesta, S. cabanisi, S. scutata, S. cinnamomea, S. stic-

tothorax (C . , L . , M Z ).

REMARKS

Variation within the type series.—A , ff f ( f f F- ). O ( COP ) (f-) - f . T x . M COP , f - q . T x f f f f .S, () f f .

Habitat and predicted distribution.—W f S. bev-erlyae O . T fi, , , f - (F. ). T f f Rí O. H, fl f, , . B f fl,




fl f . T f f f (fl f f Rí V) , f fl- f ’ .

W , , - f S. beverlyae (F. , - ), f O . Of (“I Cá”)

f O, ; (“L P”), Rí Má, -fl f .I L P B, M. B f f fl j x fi . I , ff f - , . T Rí Má, , , I L P x - fl.

A f f Rí O-. I fl f Rí M O- (F. )

- , M , . T O’ fl . A -fl f Rí M O, O q f , f-fl , , - . H O , fl fl fl f- f . - f , f .

T f O ff . A , f ( ~ ) f ( – ) f f - f . A f f Cecropia

. essaria . (A), - A O, f .

O I C I L P, , - f f f ( Salix . essaria .). . V - f Cecropia . - I Cá. T - f fl , , , . S A , q f (R P , R ).

F f Rí O x .W S. be verlyae f f , fl- f f . I f Rí M, M f f Rí O.

FIG. 3. Island locations of Synallaxis beverlyae. Top: type locality, the

small unnamed island west of Isla Garcitas, middle Río Orinoco, Amazo-

nas, Venezuela (photograph by S.L.H., 1998). Middle : Isla Caimán, lower

Río Orinoco, Delta Amacuro, Venezuela (visual, vocal, and photographic

evidence; photograph by S.L.H., 2006). Bottom: Isla La Playa, Caño

Mánamo, Monagas-Delta Amacuro border, Venezuela (visual and vocalrecordings by D.A.; photograph by D.A., 2006).




I A f P j- C, fi , f x-

(R P ). R(), f Iq, P, f . C f f O , f O. D - A, D.A. S. beverlyae - I Cá, f fl-. H, f fl f O ff -. O A Iq, - f (.., f Iq) fl . F O x fl

f , - f , - f f f .

Behavior .—I , S. be verlyae f , f f , f f ~ . D , f - , f

q f . O x , , - f .

Vocalizations.—W f , - , ICá. T fq (F. A) fq fi , f, . T f x , fi f f . O, f f (F. A). A (F. B), , f q f , ( ) - . I f , H, . O

.S f f S. albigularis, S. spixi, S. hypospodia F C–E. T f S. bev-

erlyae f .E ’ f f. S f S. albigularis , - f –. H,

FIG. 4. Spectrograms of songs of Synallaxis beverlyae, three Synallaxis spp. with structurally similar vocalizations, and S. albescens, which has similar

plumage but very different vocalization. (A) Advertising song and (B) response to playback of S. beverlyae song from the type locality, 3 January 1998.

(C) Advertising song of S. albigularis from a river island near mouth of Río Napo, Iquitos, Peru, 26 January 1998. (D) Advertising song of S. spixi from

Magdalena, Buenos Aires province, Argentina (Straneck 1990). (E) Song of S. hypospodia from Brazil, Mato Grosso, south of Cuiabá at Poconé, June

2003. (F) Advertising song of S. albescens from the type locality of S. beverlyae, 3 January 1998. Recordings by S.L.H. unless noted otherwise.




f . S f S. spixi - f albigularis S. beverlyae, x ~ H. Synallaxis hypospodia - f , ~. H.

I f f . T - f S. albescens f f S.

beverlyae (F. F). A S. albescens x, - - f .

Systematic affinities.—R () Synallaxis. A f - f ff , f - f N , f , . G , f . H, f , - -

.T S. albescens, f O. H, S. albescens f , ’ . Of Synal-

laxis S. beverlyae, S. albigularis - A . I (R ); , , f S. bever-

lyae. B , S. spixi S. hypospodia -- , cerrado, . Synallaxis spixi f , , S . hypospodia .

D , S. albigularis, S. spixi, S. hypospodia S . beverlyae S. albe-

scens . A S. beverlyae, . T ff -, ff, fi - f, f S. beverlyae f , x qf . B f x - , .H, f ff , , S. beverlyae - ff . T ff

. F, - S. albescens, , O- .

Conservation.—A S. beverlyae , f , f O , . T Cñ Má

fl f f O - f . T ff f fl fl f ,

f j fl , x . I , ff - . H-, , fl x f .

M - - - , , f . Sfl f f , , f ffi f f. A , f Rí O. A

ff f, S. beverlyae, fl f - f f .

ACKNOWLEDGMENTS

W M. L f - x f O f Có OóP (COP) C, V. M. M f COP . W C. M f - f f - f f fi f . I. Cñf COP f ; M. B. R N H M, U-

f K; K. J. Z f Synallaxis . f B. LA , , V E N. A B fi f x. R. S. R, K. J. Z, A. W f Synallaxis fi - x. W Á. Ná f fi , , . J. V. R, J., - , H. F. J f .

LITERATURE CITED

Álvarez, M., V. Caro, O. Laverde, and A. M. Cuervo. .

Guía sonora de las aves de los Andes colombianos. [Audio CDs.]Cornell Laboratory of Ornithology, Ithaca, New York.

Coopmans, P., J. V. Moore, N. Krabbe, O. Jahn, K. S. Berg,M. Lysinger, L. Navarrete, and R. S. Ridgely. . Te

Birds of Southwest Ecuador. [Audio CDs.] John V. Moore NatureRecordings, San Jose, California.

Hilty, S. L. . Birds of Venezuela, nd ed. Princeton University Press, Princeton, New Jersey.




Lysinger, M., J. V. Moore, N. Krabbe, P. Coopmans, D. F. Lane,L. Navarrete, J. Nilsson, and R. S. Ridgely. . Te

Birds of Eastern Ecuador, vol. I: Te Foothills and Lower Sub-

tropics. [Audio CDs.] J. V. Moore Nature Recordings, San Jose,

California.Marantz, C. A., and K. J. Zimmer. . Bird Voices of Alta Flo-

resta and Southeastern Amazonian Brazil. [Audio CDs.] Cornell

Laboratory of Ornithology, Ithaca, New York.Remsen, J. V., Jr. . Family Furnariidae (Ovenbirds). In Hand-

book of the Birds of the World, vol. : Broadbills to apaculos (J.del Hoyo, A. Elliott, and D. A. Christie, Eds.). Lynx Edicions, Bar-

celona, Spain.Remsen, J. V., Jr., and . A. Parker III. . Contribution of river-

created habitats to bird species richness in Amazonia. Biotropica:–.

Ridgley, R. S., and G. udor. . Te Birds of South America, vol.: Te Suboscine Passerines. University of exas Press, Austin.

Ridgway, R. . Color Standards and Color Nomenclature. Pub-

lished by the author, Washington, D.C.

Rosenberg, G. H. . Habitat special ization and foraging behav-ior by birds of Amazonian river islands in northeastern Peru.Condor :–.

Smithe, F. B. . Naturalist’s Color Guide. American Museum of Natural History, New York.

Smithe, F. B. . Naturalist’s Color Guide, part III. AmericanMuseum of Natura l History, New York.

Straneck, R. . Canto de las Aves Pampeanas I. [Audio cassette.]Editorial L.O.L.A. (Literature for Latin America), Buenos Aires.

Associate Editor : H. F. James

hilty & ascanio 2009

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