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Department of Vertebrate Zoology

Division of Birds

Labrador Duck
Labrador Duck
Christina Gebhard © Smithsonian Institution


Null Models in Ecology

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Holt, Ben G., Lessard, Jean-Philippe, Borregaard, Michael K., Fritz, Susanne A., Araújo, Miguel B., Dimitrov, Dimitar, Fabre, Pierre-Henri, Graham, Catherine H., Graves, Gary R., Jønsson, Knud A., Nogués-Bravo, David, Wang, Zhiheng, Whittaker, Robert J., Fjeldså, Jon and Rahbek, Carsten 2013. Response to Comment on "An Update of Wallace's Zoogeographic Regions of the World". Science, 341(6144): 343 doi:10.1126/science.1237541

Graves, Gary R. 2013. Characteristics of a Black Rail (Laterallus jamaicensis) territory in Huntley Meadows, Fairfax County, Virginia. Banisteria, 41: 94-95.

Graves, Gary R. 2013. Hummingbirds visit feeders at high-rise apartment buildings. Banisteria, 41: 95-97.

Graves, Gary R. 2013. A probable nearshore record of Killer Whale (Orcinus orca) on Assateague Island, Virginia. Banisteria, 41: 93-94.

Lisney, Thomas J., Stecyk, Karyn, Kolominsky, Jeffrey, Graves, Gary R., Wylie, Douglas R. and Iwaniuk, Andrew N. 2013. Comparison of eye morphology and retinal topography in two species of new world vultures (Aves: Cathartidae). The Anatomical Record, 296(12): 1954-1970. doi:10.1002/ar.22815

McCormack, John E., Maley, James M., Hird, Sarah M., Derryberry, Elizabeth P., Graves, Gary R. and Brumfield, Robb T. 2013. Corrigendum to "Next-generation sequencing reveals phylogeographic structure and a species tree for recent bird divergences" [Mol. Phylogenet. Evol. 62 (2012) 397–406]. Molecular Phylogenetics and Evolution, 66(1): 440 doi:10.1016/j.ympev.2012.09.009

Holt, Ben G., Lessard, Jean-Philippe, Borregaard, Michael K., Fritz, Susanne A., Araujo, Miguel B., Dimitrov, Dimitar, Fabre, Pierre-Henri, Graham, Catherine H., Graves, Gary R., Jonsson, Knud A., Nogues-Bravo, David, Wang, Zhiheng, Whittaker, Robert J., Fjeldsa, Jon and Rahbek, Carsten 2013. An Update of Wallace's Zoogeographic Regions of the World. Science, 339(6115): 74-78. doi:10.1126/science.1228282

Graves, Gary R. 2013. Historical decline and probable extinction of the Jamaican Golden Swallow Tachycineta euchrysea euchrysea. Bird Conservation International, FirstView doi:10.1017/S095927091300035X

Hines, Richard E., Bader, Troy J. and Graves, Gary R. 2013. Chimney Swifts (Chaetura pelagica) Nest in Tree Cavities in Arkansas. Southeastern Naturalist, 12(4): N18-N20. doi:10.1656/058.012.0414

Graves, Gary R., Newsome, Seth D., Willard, David E., Grosshuesch, David A., Wurzel, William W. and Fogel, Marilyn L. 2012. Nutritional stress and body condition in the Great Gray Owl (Strix nebulosa) during winter irruptive migrations. Canadian journal of zoology, 90(7): 787-797. doi:10.1139/z2012-047

Schirtzinger, Erin E., Tavares, Erika S., Gonzales, Lauren A., Eberhard, Jessica R., Miyaki, Cristina Y., Sanchez, Juan J., Hernandez, Alexis, Müeller, Heinrich, Graves, Gary R., Fleischer, Robert C. and Wright, Timothy F. 2012. Multiple Independent Origins of Mitochondrial Control Region Duplications in the Order Psittaciformes. Molecular phylogenetics and evolution, 64(2): 342-356. doi:10.1016/j.ympev.2012.04.009

McCormack, John E., Maley, James M., Hird, Sarah M., Derryberry, Elizabeth P., Graves, Gary R. and Brumfield, Robb T. 2012. Next-generation sequencing reveals phylogeographic structure and a species tree for recent bird divergences. Molecular Phylogenetics and Evolution, 62(1): 397-406. doi:10.1016/j.ympev.2011.10.012

Gotelli, Nicholas J., Chao, Anne, Colwell, Robert K., Hwang, Wen-han and Graves, Gary R. 2012. Specimen-Based Modeling, Stopping Rules, and the Extinction of the Ivory-Billed Woodpecker. Conservation Biology, 26(1): 47-56. doi:10.1111/j.1523-1739.2011.01715.x

Cibois, Alice, Beadell, Jon S., Graves, Gary R., Pasquet, Eric, Slikas, Beth, Sonsthagen, Sarah A., Thibault, Jean-Claude and Fleischer, Robert C. 2011. Charting the course of reed-warblers across the Pacific islands. Journal of Biogeography, 38(10): 1963-1975. doi:10.1111/j.1365-2699.2011.02542.x

Graves, Gary R. 2011. Status of wood rails (Aramides) in north-west Peru. Bulletin of the British Ornithologists' Club, 131(1): 210-212.

Schindel, David E., Stoeckle, Mark, Milensky, Chris, Trizna, Michael, Schmidt, Brian K., Gebhard, Christina and Graves, Gary R. 2011. Project Description: DNA Barcodes of Bird Species in the National Museum of Natural History, Smithsonian Institution, USA. Zookeys, 152: 87-91. doi:10.3897/zookeys.152.2473

Graves, Gary R., Lane, Daniel F., O'Neill, John P. and Valqui, Thomas 2011. A distinctive new subspecies of the Royal Sunangel (Aves: Trochiliformes; Heliangelus regalis) from the Cordillera Azul, northern Peru. Zootaxa, 3002: 52-58.

Graves, Gary R. and Prys-Jones, Robert P. 2011. Rediscovery of the holotype of Trochilus maria Gosse, 1849 (Aves: Apodiformes: Trochilidae). Zootaxa, 2929: 59-63.

Gotelli, N. J., Graves, Gary R. and Rahbek, C. 2010. Macroecological signals of species interactions in the Danish avifauna. Proceedings of the National Academy of Sciences of the United States of America, 107(11): 5030-5035. doi:10.1073/pnas.0914089107

Kirchman, Jeremy J., Witt, Christopher C., McGuire, Jimmy A. and Graves, Gary R. 2010. DNA from a 100-year-old holotype confirms the validity of a potentially extinct hummingbird species. Biology Letters, 6(1): 112-115. doi:10.1098/rsbl.2009.0545

Graves, Gary R. 2010. Late 19th Century Abundance Trends of the Eskimo Curlew on Nantucket Island, Massachusetts. Waterbirds, 33(2): 236-241. doi:10.1675/063.033.0212

Graves, Gary R. 2010. Late ground nesting of Mourning Dove (Zenaida macroura) on Assateague Island, Virginia. Banisteria, 36: 39-40.

Graves, Gary R. 2009. Ontogeny of bill color in male streamertail hummingbirds (Trochilus). Journal of Caribbean Ornithology, 22: 44-47.

Graves, Gary R. 2009. Photographic documentation of blue-morph ross's goose (Chen rossii) on Assateague Island, Virginia. Banisteria, 34: 47-49.

Graves, Gary R. 2009. Communal roosting of the Jamaican crow (Corvus jamaicensis). Journal of Caribbean Ornithology, 22(1): 48-51.

Colwell, Robert K., Gotelli, Nicholas J., Rahbek, Carsten, Entsminger, Gary L., Farrell, Catherine and Graves, Gary R. 2009. Peaks, plateaus, canyons, and craters: the complex geometry of simple mid-domain effect models. Evolutionary Ecology Research, 11(3): 355-370.

Gotelli, Nicholas J., Anderson, Marti J., Arita, Hector T., Chao, Anne, Colwell, Robert K., Connolly, Sean R., Currie, David J., Dunn, Robert R., Graves, Gary R., Green, Jessica L., Grytnes, John-Arvid, Jiang, Yi-Huei, Jetz, Walter, Lyons, Sara K., McCain, Christy M., Magurran, Anne E., Rahbek, Carsten, Rangel, Thiago F. L. V. B., Soberón, Jorge, Webb, Campbell O. and Willig, Michael R. 2009. Patterns and causes of species richness: a general simulation model for macroecology. Ecology Letters, 12(9): 873-886. doi:10.1111/j.1461-0248.2009.01353.x

Beadell, Jon S., Covas, Rita, Gebhard, Christina, Ishtiaq, Farah, Melo, Martim, Schmidt, Brian K., Perkins, Susan L., Graves, Gary R. and Fleischer, Robert C. 2009. Host associations and evolutionary relationships of avian blood parasites from West Africa. International Journal for Parasitology, 39(2): 257-266. doi:10.1016/j.ijpara.2008.06.005

Graves, Gary R. 2009. Skeletal correlates of body weight in the Black-billed Streamertail (Trochilus scitulus) of Jamaica. Caribbean Journal of Science, 45(1): 69-72.

Grus, Wendy E., Graves, Gary R. and Glenn, Travis C. 2009. Geographic Variation in the Mitochondrial Control Region of Black-Throated Blue Warblers (Dendroica Caerulescens). The Auk, 126(1): 198-210. doi:10.1525/auk.2009.07159

Graves, Gary R. and Romanek, Christopher S. 2009. Mesoscale patterns of altitudinal tenancy in migratory wood warblers inferred from stable carbon isotopes. Ecological Applications, 19(5): 1264-1273. doi:10.1890/08-0934.1

Lance, Stacey L., Hagen, Cris, Glenn, Travis C., Brumfield, Robb T., Stryjewski, Katherine Faust and Graves, Gary R. 2009. Fifteen polymorphic microsatellite loci from Jamaican streamertail hummingbirds (Trochilus). Conservation Genetics, 10(4): 1195-1198. doi:10.1007/s10592-008-9748-1

Winker, Kevin and Graves, Gary R. 2008. Genetic structure of breeding and wintering populations of Swainson's Warbler. The Wilson Journal of Ornithology, 120(3): 433-445. doi:10.1676/07-073.1

Graves, Gary R. 2008. Jamaican hummingbirds ingest calcareous grit. Journal of Caribbean Ornithology, 20: 56-57.

Wright, Timothy F., Schirtzinger, Erin E., Matsumoto, Tania, Eberhard, Jessica R., Graves, Gary R., Sanchez, Juan J., Capelli, Sara, Muller, Heinrich, Scharpegge, Julia, Chambers, Geoffrey K. and Fleischer, Robert C. 2008. A Multilocus Molecular Phylogeny of the Parrots (Psittaciformes): Support for a Gondwanan Origin during the Cretaceous. Mol Biol Evol, 25(10): 2141-2156. doi:10.1093/molbev/msn160

Graves, Gary R. 2008. Black Guillemot (Cepphus grylle) at Murrells Inlet: Third Documented Record for South Carolina. The Chat, 72(2): 46-48.

Graves, Gary R. 2008. Possible Case of Weather-mediated Mortality of Cave Swallow (Petrochelidon fulva pallida) Wintering in South Carolina. The Chat, 72(3): 95-98.

Rahbek, C., Gotelli, N. J., Colwell, Robert K., Entsminger, G. L., Rangel, F. L. V. B. and Graves, Gary R. 2007. Predicting continental-scale patterns of bird species richness with spatially explicit models. Proceedings of the Royal Society (London) B, 274: 165-174.

Graves, Gary R. 2007. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 15. A new intergeneric hybrid (Hylocharis leucotis X Selasphorus platycercus) from the Huachuca Mountains, southeastern Arizona. Proceedings of the Biological Society of Washington, 120(1): 99-105. doi:10.2988/0006-324X(2007)120[99:DOHHAT]2.0.CO

Graves, Gary R. 2007. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 16. Characterization of a striking intergeneric hybrid (Lampornis clemencide X Calypte anna) from Ramsey Canyon, Huachuca Mountains, southeastern Arizona. Proceedings of the Biological Society of Washington, 120(1): 106-112. doi:10.2988/0006-324X(2007)120[106:DOHHAT]2.0.CO

Gotelli, N. J., Entsminger, G. L., Rahbek, C., Colwell, Robert K. and Graves, Gary R.. 2007. BioGeoSim. Version 1.0. Acquired Intelligence Inc & Kesey-Bear. .

Graves, Gary R. 2007. Prey remains of the Jamaican Owl (Pseudoscops grammicus). Journal of Caribbean Ornithology, 20: 53-55.

Graves, Gary R. 2006. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 14. New perspectives on Sefton's specimen (Calypte costae X Selasphorus platycercus) from the Rincon Mountains, southeastern Arizona. Proceedings of the Biological Society of Washington, 119(4): 516-521. doi:10.2988/0006-324X(2006)119[516:DOHHAT]2.0.CO;2

Graves, Gary R. 2006. Ross's snow goose hybrids on Assateague Island, Virginia. The Raven, 78(1): 7-9.

Fallon, S. M., Fleischer, Robert C. and Graves, Gary R. 2006. Malarial parasites as geographic markers in migratory birds?. Biology Letters, 2(2): 213-216. doi:10.1098/rsbl.2005.0429

Durrant, K. L., Beadell, J. S., Ishtiaq, F., Graves, Gary R., Olson, Storrs L., Gering, E., Peirce, M. A., Milensky, Christopher M., Schmidt, Brian K., Gebhard, C. and Fleischer, Robert C. 2006. Avian haematozoa in South America: a comparison of temperate and tropical zones. Ornithological Monographs, 60: 98-111.

Beadell, J. S., Ishtiaq, F., Covas, R., Melo, M., Warren, B. H., Atkinson, C. T., Bensch, T., Graves, Gary R., Jhala, Yadvendradev, Peirce, M. A., Rahmani, A. R., Fonseca, Dina M. and Fleischer, Robert C. 2006. Global phylogeographic limits of Hawaii's avian malaria. Proceedings of the Royal Society (London) B, 273(1604): 2935-2944. doi:10.1098/rspb.2006.3671

Graves, Gary R. 2006. Greater Antillean Grackle (Quiscalus niger) preys on Anolis grahami. Journal of Caribbean Ornithology, 19: 57-59.

Graves, Gary R. 2006. First record of Audubon's Warbler (Dendroica coronata auduboni) in Jamaica. Journal of Caribbean Ornithology, 19: 55-56.

Graves, Gary R. and Niemi, G. J. 2006. Possible predation of Great Gray Owl by a Barred Owl. Journal of Raptor Research, 40(2): 175 doi:10.3356/0892-1016(2006)40[175:PPOGGO]2.0.CO;2

Graves, Gary R. and Rahbek, C. 2005. Source pool geometry and the assembly of continental avifaunas. Proceedings of the National Academy of Sciences of the United States of America, 102(22): 7871-7876.

Graves, Gary R. 2005. Blue-phase Ross' Geese on Assateague Island, Virginia. Raven, 74(1): 68-69.

Graves, Gary R. 2005. Vocal mimicry of Broad-winged Hawk by Blue Jay. Banisteria, 22: 50

Graves, Gary R. 2004. Diagnoses of hybrid hummingbirds (Aves: Trochilidae). 13. An undescribed intrageneric combination, Heliodoxa imperatrix X Heliodoxa jacula. Proceedings of the Biological Society of Washington, 117(1): 10-16.

Graves, Gary R. 2004. Commensal foraging by a Red-shouldered Hawk (Buteo lineatus) with Wild Turkeys (Meleagris gallopavo). Journal of Raptor Research, 38(3): 290

Graves, Gary R. 2004. Avian commensals in Colonial America: when did Chaetura pelagica become the chimney swift?. Archives of Natural History, 31(2): 300-307.

Graves, Gary R. 2004. Testicular volume and asymmetry are age-dependent in Black-throated Blue Warblers (Dendroica caerulescens). The Auk, 121(2): 473-485.

Graves, Gary R. 2003. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 12. Amazilia bangsi Ridgway, 1910, is an intrageneric hybrid, Amazilia tzacatl x Amazilia rutila. Proceedings of the Biological Society of Washington, 116(4): 847-852.

Graves, Gary R. 2003. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 10. Cyanomyia salvini Brewster, 1893, is an intergeneric hybrid of Amazilia violiceps and Cynanthus latirostris. Proceedings of the Biological Society of Washington, 116(2): 293-300.

Graves, Gary R. 2003. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 11. Documentation of an intergeneric woodstar hybrid, Calliphlox mitchellii x Chaetocercus mulsant. Proceedings of the Biological Society of Washington, 116(3): 820-826.

Graves, Gary R., Romanek, C. S. and Navarro, A. R. 2002. Stable isotope signature of philopatry and dispersal in a migratory songbird. Proceedings of the National Academy of Sciences of the United States of America, 99(12): 8096-8100. doi:10.1073/pnas.082240899

Rubenstein, D. R., Chamberlain, C. P., Holmes, Richard T., Ayres, M. P., Waldbauer, J. R., Graves, Gary R. and Tuross, Noreen C. 2002. Linking breeding and wintering ranges of a migratory songbird using stable isotopes. Science, 295(5557): 1062-1065.

Rogers, J. D., Dove, Carla J., Heacker, Marcy and Graves, Gary R. 2002. Identification of Feathers in Textiles from the Craig Mound at Spiro, Oklahoma. Southeastern Archaeology, 21: 245-251.

Graves, Gary R. 2002. Crepuscular Surface Foraging of the Hairy-tailed Mole (Parascalops breweri). Journal of the North Carolina Academy of Science, 118: 206-209.

Graves, Gary R. 2002. Habitat Characteristics in the Core Breeding Range of the Swainson's Warbler. Wilson Bulletin, 114(2): 210-220.

Graves, Gary R., Kratter, Andrew W. and Bates, John M. 2001. The first nesting record of Black-billed Cuckoo (Coccyzus erthythropthalmus) in the lower Mississippi Valley. Journal of Louisiana Ornithology, 5: 46-48.

Graves, Gary R. 2001. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 9. Confirmation of the hybrid origin of Coeligena purpurea Gould, 1854. Proceedings of the Biological Society of Washington, 114(1): 42-50.

Graves, Gary R. 2001. Factors governing the distribution of Swainson's warbler along a hydrological gradient in great dismal swamp. The Auk, 118(3): 650-664.

Rahbek, C. and Graves, Gary R. 2001. Multiscale assessment of patterns of avian species richness. Proceedings of the National Academy of Sciences of the United States of America, 98(8): 4534-4539.

Rahbek, C. and Graves, Gary R. 2000. Detection of macro-ecological patterns in South American hummingbirds is affected by spatial scale. Proceedings of the Royal Society (London) B, 267(1459): 2259-2265.

Winker, Kevin, Graves, Gary R. and Braun, Michael J. 2000. Genetic differentiation among populations of a migratory songbird: Limnothlypis swainsonii. Journal of Avian Biology, 31(3): 319-328.

Graves, Gary R. 2000. Costs and Benefits of Web Access to Museum Data. Tree, 15(9): 374

Graves, Gary R. 2000. Taxonomic notes on hummingbirds (Aves : Trochilidae). 3. Heliangelus violicollis Salvin, 1891 is a color variant of Heliangelus strophianus (Gould, 1846). Proceedings of the Biological Society of Washington, 113(3): 836-842.

Graves, Gary R. 1999. Taxonomic notes on hummingbirds (Aves : Trochilidae) 2. Popelairia letitiae (Bourcier & Mulsant, 1852) is a valid species. Proceedings of the Biological Society of Washington, 112(4): 804-812.

Winker, Kevin, Glenn, T. C. and Graves, Gary R. 1999. Dinucleotide microsatellite loci in a migratory wood warbler (Parulidae : Limnothlypis swainsonii) and amplification among other songbirds. Molecular ecology, 8(9): 1553-1556.

Graves, Gary R. 1999. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 8. A provisional hypothesis for the hybrid origin of Zodalia glyceria (Gould, 1858). Proceedings of the Biological Society of Washington, 112(3): 491-502.

Graves, Gary R. 1999. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 7. Probable parentage of Calliphlox iridescens Gould, 1860. Proceedings of the Biological Society of Washington, 112(2): 443-450.

Graves, Gary R. 1998. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 6. An intergeneric hybrid, Aglaiocercus kingi x Metallura tyrianthina, from Venezuela. Proceedings of the Biological Society of Washington, 111(3): 511-520.

Graves, Gary R. 1998. Diagnoses of hybrid hummingbirds (Aves : Trochilidae). 5. Probable hybrid origin of Amazilia distans Wetmore & Phelps. Proceedings of the Biological Society of Washington, 111(1): 28-34.

Graves, Gary R. 1998. Taxonomic notes on hummingbirds (Aves : Trochilidae). 1. Eriocnemis dyselius Elliot, 1872 is a melanistic specimen of Eriocnemis cupreoventris (Fraser, 1840). Proceedings of the Biological Society of Washington, 111(2): 420-424.

Graves, Gary R. 1998. Stereotyped foraging behavior of the Swainson's warbler. Journal of Field Ornithology, 69(1): 121-127.

Graves, Gary R. 1997. Geographic clines of age ratios of Black-throated Blue Warblers (Dendroica caerulescens). Ecology, 78(8): 2524-2531.

Graves, Gary R. 1997. Age determination of free-living male black-throated blue warblers during the breeding season. Journal of Field Ornithology, 68(3): 443-449.

Chamberlain, C. P., Blum, J. D., Holmes, Richard T., Feng, X. H., Sherry, T. W. and Graves, Gary R. 1997. The use of isotope tracers for identifying populations of migratory birds. Oecologia, 109(1): 132-141.

Graves, Gary R. 1997. Diagnoses of hybrid hummingbirds (Aves: Trochilidae) .4. Hybrid origin of Calothorax decoratus Gould. Proceedings of the Biological Society of Washington, 110(2): 320-325.

Robbins, M. B., Graves, Gary R. and Remsen, J. V., J. 1997. Memoriam: Theodore A. Parker III, 1953–1993. Ornithological Monographs, 48: 1-5.

Graves, Gary R. 1997. Colorimetric and Morphometric Gradients in Colombian Populations of Dusky Antbirds (Cercomacra tyrannina), with a Description of a New Species, Cercomacra parkeri. Ornithological Monographs, 48: 21-35.

Graves, Gary R. 1997. Diagnoses of hybrid hummingbirds (Aves: Trochilidae) .3. Parentage of Lesbia ortoni Lawrence. Proceedings of the Biological Society of Washington, 110(2): 314-319.

Graves, Gary R. and Newfield, N. L. 1996. Diagnoses of hybrid hummingbirds (Aves: Trochilidae) .1. Characterization of Calypte anna x Stellula calliope and the possible effects of egg volume on hybridization potential. Proceedings of the Biological Society of Washington, 109(4): 755-763.

Graves, Gary R. 1996. Diagnoses of hybrid hummingbirds (Aves: Trochilidae). 2. Hybrid origin of Eriocnemis soderstromi Butler. Proceedings of the Biological Society of Washington, 109(4): 764-769.

Graves, Gary R., Simpson, M. B., J. and Stephens, L. D. 1996. Joseph Leconte and the Discovery of the Nest of Swainson' Warbler (Limnothlypis swainsonii): A Reconsideration. Archives of Natural History, 23: 287-290.

Gotelli, Nicholas J. and Graves, Gary R. 1996. Null Models in Ecology Washington, D.C.: Smithsonian Institution Press. 368 pages.

Graves, Gary R. 1996. Hybrid wood warblers, Dendroica striata x Dendroica castanea (Aves: Fringillidae: tribe Parulini) and the diagnostic predictability of avian hybrid phenotypes. Proceedings of the Biological Society of Washington, 109(2): 373-390.

Winker, Kevin, Braun, Michael J. and Graves, Gary R. 1996. Voucher specimens and quality control in avian molecular studies. Ibis, 138(2): 345-346.

Graves, Gary R. 1996. Censusing wintering populations of Swainson's warblers: Surveys in the Blue Mountains of Jamaica. Wilson Bulletin, 108(1): 94-103.

Graves, Gary R., Patten, M. A. and Dunn, J. L. 1996. Comments on a probable gynandromorphic Black-throated Blue Warbler.. Wilson Bulletin, 108(1): 178-180.

Graves, Gary R. 1995. Sequence of Plumage Evolution in the Standardwing Bird-Of-Paradise. Wilson Bulletin, 107(2): 371-373.

Graves, Gary R. 1993. A New Hybrid Manakin (Dixiphia-Pipra X Pipra-Filicauda) (Aves, Pipridae) from the Andean Foothills of Eastern Ecuador. Proceedings of the Biological Society of Washington, 106(3): 436-441.

Graves, Gary R. 1993. A New Intergeneric Wood Warbler Hybrid (Parula-American X Dendroica-Coronata) (Aves, Fringillidae). Proceedings of the Biological Society of Washington, 106(2): 402-409.

Graves, Gary R. 1993. Relic of a Lost World - a New Species of Sunangel (Trochilidae, Heliangelus) from Bogota. The Auk, 110(1): 1-8.

Graves, Gary R. and Gotelli, N. J. 1993. Assembly of Avian Mixed-Species Flocks in Amazonia. Proceedings of the National Academy of Sciences of the United States of America, 90(4): 1388-1391.

Graves, Gary R. 1992. Diagnosis of a Hybrid Antbird (Phlegopsis-Nigromaculata X Phlegopsis-Erythroptera) and the Rarity of Hybridization among Suboscines. Proceedings of the Biological Society of Washington, 105(4): 834-840.

Graves, Gary R. 1992. A Case of Aggregated Nest Placement and Probable Polygyny in the Swainson Warbler. Wilson Bulletin, 104(2): 370-373.

Graves, Gary R. 1992. Greater Yellow-Headed Vulture (Cathartes-Melambrotus) Locates Food by Olfaction. Journal of Raptor Research, 26(1): 38-39.

Graves, Gary R. 1992. The Endemic Land Birds of Henderson Island, Southeastern Polynesia - Notes on Natural-History and Conservation. Wilson Bulletin, 104(1): 32-43.

Graves, Gary R. and Braun, Michael J. 1992. Museums: Storehouses of DNA?. Science, 255(5050): 1335-1336

Graves, Gary R. 1991. Bergmann Rule Near the Equator - Latitudinal Clines in Body Size of an Andean Passerine Bird. Proceedings of the National Academy of Sciences of the United States of America, 88(6): 2322-2325.

Graves, Gary R. 1990. A New Subspecies of Diglossa-Gloriosissima (Aves, Thraupinae) from the Western Andes of Colombia. Proceedings of the Biological Society of Washington, 103(4): 962-965.

Graves, Gary R. 1990. Function of Crest Displays in Royal Flycatchers (Onychorhynchus). The Condor, 92(2): 522-524.

Gotelli, N. J. and Graves, Gary R. 1990. Body Size and the Occurrence of Avian Species on Land-Bridge Islands. Journal of Biogeography, 17(3): 315-325.

Graves, Gary R. 1990. Systematics of the Green-Throated Sunangels (Aves, Trochilidae) - Valid Taxa Or Hybrids. Proceedings of the Biological Society of Washington, 103(1): 6-25.

Graves, Gary R. and Zusi, Richard L. 1990. An Intergeneric Hybrid Hummingbird (Heliodoxa-Leadbeateri X Heliangelus-Amethysticollis) from Northern Colombia. The Condor, 92(3): 754-760.

Graves, Gary R. and Zusi, Richard L. 1990. Avian Body Weights from the Lower Rio Xingu, Brazil. Bulletin of the British Ornithologists' Club, 110: 20-25.

Graves, Gary R. and Restrepo, D. U. 1989. A New Allopatric Taxon in the Hapalopsittaca-Amazonina (Psittacidae) Superspecies from Colombia. Wilson Bulletin, 101(3): 369-376.

Graves, Gary R. 1988. Phylloscartes-Lanyoni, a New Species of Bristle-Tyrant (Tyrannidae) from the Lower Cauca Valley of Colombia. Wilson Bulletin, 100(4): 529-534.

Graves, Gary R. 1988. Evaluation of Vermivora X Oporornis Hybrid Wood-Warblers. Wilson Bulletin, 100(2): 285-289.

Graves, Gary R. and Arango, G. 1988. Nest-Site Selection, Nest, and Eggs of the Stout-Billed Cinclodes (Cinclodes-Excelsior), a High Andean Furnariid. The Condor, 90(1): 251-253.

Graves, Gary R. 1988. Linearity of Geographic Range and its Possible Effect on the Population-Structure of Andean Birds. The Auk, 105(1): 47-52.

Graves, Gary R. 1988. Trans-Andean Population of the Large-headed Flatbill Ramphotrigon megacephala. Bulletin of the British Ornithologists' Club, 108: 186-187.

Graves, Gary R. and Giraldo, Jesus Antonio 1987. Population Status of the Rufous-fronted Parakeet (Bolborhynchus ferrugineifrons), a Colombian Endemic. Gerfaut, 77: 89-92.

Graves, Gary R. 1987. A Cryptic New Species of Antpitta (Formicariidae, Grallaria) from the Peruvian Andes. Wilson Bulletin, 99(3): 313-321.

Graves, Gary R. and Weske, J. S. 1987. Tangara-Phillipsi, a New Species of Tanager from the Cerros-Del-Sira, Eastern Peru. Wilson Bulletin, 99(1): 1-6.

Graves, Gary R. and Robbins, M. B. 1987. A New Subspecies of Siptornis-Striaticollis (Aves, Furnariidae) from the Eastern Slope of the Andes. Proceedings of the Biological Society of Washington, 100(1): 121-124.

Graves, Gary R. and Olson, Storrs L. 1987. Chlorostilbon Bracei Lawrence, an Extinct Species of Hummingbird from New Providence Island, Bahamas. The Auk, 104(2): 296-302.

Graves, Gary R. and Olson, Storrs L. 1986. A New Subspecies of Turdus swalesi (Aves, Passeriformes, Muscicapidae) from the Dominican Republic. Proceedings of the Biological Society of Washington, 99(4): 580-583.

Graves, Gary R. 1986. Systematics of the Gorgeted Woodstars (Aves, Trochilidae, Acestrura). Proceedings of the Biological Society of Washington, 99(2): 218-224.

Graves, Gary R. 1986. Geographic-Variation in the White-Mantled Barbet (Capito-Hypoleucus) of Colombia (Aves, Capitonidae). Proceedings of the Biological Society of Washington, 99(1): 61-64.

Graves, Gary R. 1986. The Systematic Status of Cranioleuca-Furcata Taczanowski (Furnariidae). The Condor, 88(1): 120-122.

Graves, Gary R. 1985. Elevational correlates of speciation and intraspecific geographic variation in plumage in Andean forest birds. The Auk, 102(3): 556-579.

Graves, Gary R., Robbins, Mark B. and Remsen, J. V.,Jr. 1983. Age and sexual difference in spatial distribution and mobility in manakins (Pipridae): inferences from mist-netting. Journal of Field Ornithology, 54(4): 407-412.

Graves, Gary R., O'Neill, John P. and Parker, Theodore A., III 1983. Grallaricula ochraceifrons, a new species of antpitta from northern Peru. The Wilson Bulletin, : 1-6.

Graves, Gary R. and Gotelli, Nicholas J. 1983. Neotropical land-bridge avifaunas: new approaches to null hypotheses in biogeography. Oikos, 41(3): 322-333.

Graves, Gary R. 1982. Pollination of a Tristerix mistletoe (Loranthaceae) by Diglossa (Aves, Thraupidae). Biotropica, 14(4): 316-317.

Graves, Gary R. 1982. Speciation in the carbonated flower-piercer (Diglossa carbonaria) complex of the Andes. Condor, : 1-14.

Graves, Gary R. 1981. A New Subspecies of Coppery Metaltail (Metallura theresiae) from Northern Peru. The Auk, 98(2): 382

Graves, Gary R. 1980. A new species of metaltail hummingbird from northern Peru. The Wilson Bulletin, 92(1): 1-7.

Graham, Gary L., Graves, Gary R., Schulenberg, Thomas S. and O'Neill, John P. 1980. Seventeen bird species new to Peru from the Pampas de Heath. The Auk, 97(2): 366-370.

Eley, J. W., Graves, Gary R., Parker, Theodore A., III and Hunter, David R. 1979. Notes on Siptornis striaticollis (Furnariidae) in Peru. Condor, 81: 319

Graves, Gary R. and Plenge, Manuel A. 1978. First record of curlew sandpiper in Peru. Condor, 80: 455

Graves, Gary R. 1978. Predation on hummingbird by oropendola. Condor, 80(2): 251

O'Neill, John P. and Graves, Gary R. 1977. A New Genus and Species of Owl (Aves: Stridigae) From Peru. The Auk, 94(3): 409-416.

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