| Guide to the birds of Costa Rica FG Stiles, AF Skutch Comistock, 1989 | 1424 | 1989 |
| Ecology, flowering phenology, and hummingbird pollination of some Costa Rican Heliconia species FG Stiles Ecology 56 (2), 285-301, 1975 | 612 | 1975 |
| A classification of the bird species of South America JV Remsen Jr, CD Cadena, A Jaramillo, M Nores, JF Pacheco, ... American Ornithologists’ Union.[Online.] Available at www. museum. lsu. edu …, 2012 | 546 | 2012 |
| Evolutionary precursors of long-distance migration: resource availability and movement patterns in Neotropical landbirds DJ Levey, FG Stiles The American Naturalist 140 (3), 447-476, 1992 | 376 | 1992 |
| Geographical aspects of bird-flower coevolution, with particular reference to Central America FG Stiles Annals of the Missouri Botanical Garden 68 (2), 323-351, 1981 | 331 | 1981 |
| A classification of the bird species of South America. American Ornithologists’ Union JV Remsen Jr, CD Cadena, A Jaramillo, M Nores, JF Pacheco, ... Downloaded on 26, 2011 | 325 | 2011 |
| Ecological organization of a tropical, highland hummingbird community LL Wolf, FG Stiles, FR Hainsworth The journal of animal ecology, 349-379, 1976 | 314 | 1976 |
| Taste preferences, color preferences, and flower choice in hummingbirds FG Stiles The Condor 78 (1), 10-26, 1976 | 272 | 1976 |
| Coadapted competitors: the flowering seasons of hummingbird-pollinated plants in a tropical forest FG Stiles Science 198 (4322), 1177-1178, 1977 | 237 | 1977 |
| Guía de aves de Costa Rica FG Stiles, AF Skutch Editorial INBio, 2007 | 230 | 2007 |
| Temporal organization of flowering among the hummingbird foodplants of a tropical wet forest FG Stiles Biotropica, 194-210, 1978 | 211 | 1978 |
| Ecological and evolutionary implications of bird pollination FG Stiles American zoologist 18 (4), 715-727, 1978 | 190 | 1978 |
| Patterns in floral nectar characteristics of some bird-visited plant species from Costa Rica FG Stiles, CE Freeman Biotropica, 191-205, 1993 | 184 | 1993 |
| Food supply and the annual cycle of the Anna Hummingbird. FGI STILES | 169 | 1971 |
| Food supply and the annual cycle of the Anna Hummingbird. FGI STILES | 169 | 1971 |
| Hummingbird territoriality at a tropical flowering tree FG Stiles, LL Wolf The Auk 87 (3), 467-491, 1970 | 162 | 1970 |
| Ecology and evolution of lek mating behavior in the long-tailed hermit hummingbird FG Stiles, LL Wolf Ornithological monographs, iii-78, 1979 | 149 | 1979 |
| Time, energy, and territoriality of the Anna Hummingbird (Calypte anna) FG Stiles Science 173 (3999), 818-821, 1971 | 138 | 1971 |
| The annual cycle in a tropical wet forest hummingbird community FG Stiles Ibis 122 (3), 322-343, 1980 | 135 | 1980 |
| Energetics of foraging: rate and efficiency of nectar extraction by hummingbirds LL Wolf, FR Hainsworth, FG Stiles Science 176 (4041), 1351-1352, 1972 | 134 | 1972 |
