| Catalog # | Last Name | First Name | Title of Article | Category | Subject1 | Subject 2 | Source | Date | Volume | Issue | Pages | |
| 501 | Becher | Jonathan J. | A Fossil Motmot (Aves: Amomotidae) from the Late Miocene of Florida | Natural History | Geographic Location | North America | Condor | 1986 | 88 | 4 | 478-482 | |
| 502 | DeSchayensee | R. | Family Momotidae | Natural History | Geographic Location | South America | A guide to the birds of South America | 1970 | 168 | |||
| 503 | Ericson/Amarilla | Per G.P./Luis Alberto | First Observations and new distributional data for birds in Paraguay | Natural History | Geographic Location | South America | Bull. British Orinthologists Club | 1997 | 117 | 1 | 60-67 | |
| 504 | Howe/Vande Kerckhove | Henry F./Gayle A. | Removal of Wild Nutmeg (Virola surinamensis) crops by birds | Natural History | Behavior | Diet | Ecology | 1981 | 62 | 4 | 1093-1106 | |
| 505 | Lanyon/Zink | Scott M./Robert M. | Genetic Variation in Piciform Birds: Monophyly and Generic and Familial Relationships | Natural History | Evolution | Gene | Auk | 1987 | 104 | 4 | 724-732 | |
| 506 | Master | Terry L. | Predation by Rufous Motmot on Black and Green Poison Dart Frog | Natural History | Behavior | Diet | Wilson Bull. | 1999 | 111 | 3 | 439-440 | |
| 507 | ||||||||||||
| 508 | Marcus | Mickey J. | Additions to the Avifauna of Honduras | Natural History | Geographic Location | South America | Auk | 1983 | 100 | 3 | 621-629 | |
| 509 | Orejuela | Jorge E. | Niche Relationships between turquoise-browed and blue-crowned motmots in the Yucatan Peninsula, Mexico | Natural History | Behavior | Niche | Wilson Bull. | 1980 | 92 | 2 | 229-244 | |
| 510 | Remsen/Hyde/Chapman | J.V./Mary Ann./Angela | The Diets of Neotropical Trogons, Motmots, Barbets and Toucans | Natural History | Behavior | Diet | Condor | 1993 | 95 | 1 | 178-192 | |
| 511 | Bates/Busenbark | H.J./R.L. | Motmots | Encyclopedia of aviculture | 3 | 22-23 | ||||||
| 512 | Scott/Martin | Peter E./Robert F. | Clutch Size and Fledgling Success in the Turquoise-Browed Motmot | Natural History | Behavior | Reproduction | Auk | 1986 | 103 | 1 | 8-13 | |
| 513 | Scott/Martin | Peter E./Robert F. | Reproduction of the Turquoise-browed Motmot at Archaeological Ruins in Yucatan | Natural History | Behavior | Reproduction | Biotropica | 1983 | 15 | 1 | 8-14 | |
| 514 | Skutch | Alexander Frank | Blue-Diademed Motmot | Natural History | Species | Birds Tropical America | 1 | 199-211 | ||||
| 515 | Grzimak | H.C. Bernard | The Coraciiformes | Grzimak's Animal Life Encyclopedia | 1973 | 0 | 0 | 35-36 | ||||
| 516 | Willis | E.O. | Momotus momota and Baryphthengus ruficapillus (momotidae) as army ant followers | Natural History | Behavior | Diet | Ciencia e Cultura | 1981 | 33 | 12 | 1636-1640 | |
| 517 | Howe/Schupp/Westley | H.F./E.W./L.C. | Early consequences of seed dispersal for a neotropical tree (virola surinamensis) | Natural History | Behavior | Diet | Ecology | 1985 | 66 | 3 | 781-791 | |
| 518 | Oniki/Emerson | Yoshika/K.C. | A new species of brueelia (mallophaga: philopteridae) from the rufous motmot baryphthengus ruficapillus (vieillot) (coraciiformes: momotidae) | Veterinary | Parasitology | Lice | Revisita Brasileira de biologia | 1982 | 42 | 1 | 263-265 | |
| 519 | Tyrberg | Tommy | Cretaceous birds - a short review of the first half of avian history | Natural History | Evolution | Cretaceous period | Verhandlungen der Orinthologischen Gesellschaft in Bayern | 1986 | 24 | 2-3 | 249-275 | |
| ** GREEN - article is a duplicate - another article is to replace it | 507 | |||||||||||