Search results for "author:"G R Graves""

29 hit(s)

BRIGHTLY COLORED PLUMAGE IN FEMALE MANAKINS PIPRA

Published in Bulletin of The British Ornithologists' Club, in 1981, in volume 101, pages 270-271
Authors: G R Graves

RELATIONSHIP OF WHITE FACIAL FEATHERING TO AGE AND LOCALITY IN PERUVIAN CINNYCERTHIA-PERUANA

Published in Bulletin of The British Ornithologists' Club, in 1980, in volume 100, pages 149-150
Authors: G R Graves

GREATER YELLOW-HEADED VULTURE (CATHARTES-MELAMBROTUS) LOCATES FOOD BY OLFACTION

Published in Journal of Raptor Research, in 1992, in volume 26, issue 1, pages 38-39
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 12. Amazilia Bangsi Ridgway, 1910, Is An Intrageneric Hybrid, Amazilia Tzacatl X Amazilia Rutila

Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 847-852
Authors: G R Graves

Trans-Andean population of the large-headed flatbill Ramphotrigon megacephala

Published in Bulletin of The British Ornithologists' Club, in 1988, in volume 108, pages 186-187
Authors: G R Graves

Geographic variation In The White mantled Barbet (Capito hypoleucus) Of Colombia (Aves, Capitonidae)

Published in Proceedings of The Biological Society of Washington, in 1986, in volume 99, pages 61-64
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 9. Confirmation Of The Hybrid Origin Of Coeligena Purpurea Gould, 1854

Published in Proceedings of The Biological Society of Washington, in 2001, in volume 114, pages 42-50
Authors: G R Graves

TAXONOMIC STATUS OF THE SWORD-BILLED HUMMINGBIRD ENSIFERA-ENSIFERA-CAERULESCENS

Published in Bulletin of The British Ornithologists' Club, in 1991, in volume 111, pages 139-140
Authors: G R Graves

Taxonomic Notes On Hummingbirds (Aves : Trochilidae). 1. Eriocnemis Dyselius Elliot, 1872 Is A Melanistic Specimen Of Eriocnemis Cupreoventris (Fraser, 1840)

Published in Proceedings of The Biological Society of Washington, in 1998, in volume 111, pages 420-424
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves: Trochilidae) .4. Hybrid Origin Of Calothorax Decoratus Gould

Published in Proceedings of The Biological Society of Washington, in 1997, in volume 110, pages 320-325
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves: Trochilidae). 2. Hybrid Origin Of Eriocnemis Soderstromi Butler

Published in Proceedings of The Biological Society of Washington, in 1996, in volume 109, pages 764-769
Authors: G R Graves

Systematics Of The Gorgeted Woodstars (Aves, Trochilidae, Acestrura)

Published in Proceedings of The Biological Society of Washington, in 1986, in volume 99, pages 218-224
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 11. Documentation Of An Intergeneric Woodstar Hybrid, Calliphlox Mitchellii X Chaetocercus Mulsant

Published in Proceedings of The Biological Society of Washington, in 2003, in volume 116, pages 820-826
Authors: G R Graves

Taxonomic Notes On Hummingbirds (Aves : Trochilidae). 3. Heliangelus Violicollis Salvin, 1891 Is A Color Variant Of Heliangelus Strophianus

Published in Proceedings of The Biological Society of Washington, in 2000, in volume 113, pages 836-842
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 13. An Undescribed Intrageneric Combination, Heliodoxa Imperatrix X Heliodoxa Jacula

Published in Proceedings of The Biological Society of Washington, in 2004, in volume 117, pages 10-16
Authors: G R Graves

A new intergeneric wood warbler hybrid (Parula americana√óDendroica coronata) (Aves: Fringillidae)

Published in Proceedings of The Biological Society of Washington, in 1993, in volume 106, pages 402-409
Authors: G R Graves

A new hydrid manakin (Dixiphia pipra √ó Pipra filicauda) (Aves: Pipridae) from the Andean foothills of eastern Ecuador

Published in Proceedings of The Biological Society of Washington, in 1993, in volume 106, pages 436-441
Authors: G R Graves

Commensal foraging by a Red-shouldered Hawk (Buteo lineatus) with Wild Turkeys (Meleagris gallopavo)

Published in Journal of Raptor Research, in 2004, in volume 38, issue 3, pages 290-290
Authors: G R Graves

A RECENT RECORD OF THE ENDANGERED ST-LUCIA WREN TROGLODYTES-AEDON-MESOLEUCUS

Published in Bulletin of The British Ornithologists' Club, in 1985, in volume 105, pages 69-71
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 7. Probable Parentage Of Calliphlox Iridescens Gould, 1860

Published in Proceedings of The Biological Society of Washington, in 1999, in volume 112, pages 443-450
Authors: G R Graves

Taxonomic Notes On Hummingbirds (Aves : Trochilidae) 2. Popelairia Letitiae (Bourcier & Mulsant, 1852) Is A Valid Species

Published in Proceedings of The Biological Society of Washington, in 1999, in volume 112, pages 804-812
Authors: G R Graves

Diagnoses Of Hybrid Hummingbirds (Aves : Trochilidae). 6. An Intergeneric Hybrid, Aglaiocercus Kingi X Metallura Tyrianthina, From Venezuela

Published in Proceedings of The Biological Society of Washington, in 1998, in volume 111, pages 511-520
Authors: G R Graves

A New Subspecies Of Diglossa-Gloriosissima (Aves, Thraupinae) From The Western Andes Of Colombia

Published in Proceedings of The Biological Society of Washington, in 1990, in volume 103, pages 962-965
Authors: G R Graves

AVIAN BODY WEIGHTS FROM THE LOWER RIO XINGU BRAZIL

Published in Bulletin of The British Ornithologists' Club, in 1990, in volume 110, pages 20-25

A New Subspecies Of Siptornis striaticollis (Aves, Furnariidae) From The Eastern Slope Of The Andes

Published in Proceedings of The Biological Society of Washington, in 1987, in volume 100, pages 121-124

A New Subspecies Of Turdus swalesi (Aves, Passeriformes, Muscicapidae) From The Dominican republic

Published in Proceedings of The Biological Society of Washington, in 1986, in volume 99, pages 580-583