| Collision between a vulture and an aircraft at an altitude of 37,000 feet RC Laybourne The Wilson Bulletin 86 (4), 461-462, 1974 | 128 | 1974 |
| Feather in amber is earliest New World fossil of Picidae RC Laybourne, DW Deedrick, FM Hueber The Wilson Bulletin, 18-25, 1994 | 43 | 1994 |
| Preparation of avian material recovered from pellets and as prey remains BA Sabo, RC Laybourne Journal of Raptor Research 28 (3), 12, 1994 | 37 | 1994 |
| Preparation of birdstrike remains for identification RC Laybourne, CJ Dove Proceedings and working papers of the Bird Strike Committee Meeting Europe …, 1994 | 34 | 1994 |
| A difference in prey selection by adult and immature peregrine falcons during autumn migration FP Ward, RC Laybourne ICBP Technical Publication 5, 303-309, 1985 | 26 | 1985 |
| Inferences about population movements of Red-winged Blackbirds from morphological data FC James, RT Engstrom, C Nesmith, R Laybourne American Midland Naturalist, 319-331, 1984 | 26 | 1984 |
| Plumage sequence and taxonomy of Laysan and Nihoa finches RC Banks, RC Laybourne The Condor 79 (3), 343-348, 1977 | 24 | 1977 |
| Basic technique for preparation of down for examination with the scanning electron microscope RC Laybourne, BA Sabo, A Morningstar The Auk, 195-197, 1992 | 22 | 1992 |
| Bilateral gynandrism in an Evening Grosbeak RC Laybourne The Auk 84 (2), 267-272, 1967 | 16 | 1967 |
| MORPHOLOGICAL VARIATION IN BREEDING RED-WINGED BLACKBIRDS, AGELAIUS PHOENICEUS, IN FLORIDA MA Howe, RC Laybourne, FC James Florida Scientist, 273-280, 1977 | 11 | 1977 |
| First record of whiskered tern from the tropical Pacific RB Clapp, RC Laybourne 'Elepaio 41 (9), 69-70, 1983 | 10 | 1983 |
| Geographic differentiation in the Red-winged Blackbird: a check on one of Lande's assumptions FC James, C NeSmith, R Laybourne Acta XX Congressus Internationalis Ornithologici, New Zealand Ornithological …, 1990 | 7 | 1990 |
| Status of the Common Tern (Sterna hirundo) in the tropical Pacific, with a note on records of the Black-naped Tern (Sterna sumatrana) in Hawaii.' RB Clapp, RC Laybourne, RL Pyle Elepaio 43, 97-99, 1983 | 5 | 1983 |
| The red-whiskered bulbul in Florida RC Banks, RC Laybourne The Auk 85 (1), 141-141, 1968 | 5 | 1968 |
| Feather identification method used by Smithsonian Museum, Washington R Laybourne, C Dove 22nd Meeting Bird Strike Committee Europe, Vienna, WP-93, 529-534, 1994 | 4 | 1994 |
| The Chat W Brown Jr, JA Lee, C Marsh, RJ Hader, WC Holland Jr, WG Cobey, ... | 1 | 1995 |
| Subspecific identification of song sparrows collected at Raleigh, NC, in summer of 1967 PW SYKES JR, RC LAYBOURNE Chat 38 (3), 77, 1974 | | 1974 |
| FRANCES C. JAMES, R. TODD ENGSTROM, CATHLEEN NESMITH R LAYBOURNE The American Midland Naturalist 111, 319, 1909 | | 1909 |
