World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
31
Citations
5293
World Ranking
2229
National Ranking
627

Nicholas E. Collias publication distribution in Animal Science and Veterinary in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Animal Science and Veterinary in 2026. The highlighted bar marks where Nicholas E. Collias sits on this spectrum.

29–33 publications: 1 scientists 34–38 publications: 6 scientists 39–43 publications: 17 scientists 44–48 publications: 23 scientists 49–53 publications: 28 scientists 54–58 publications: 44 scientists 59–63 publications: 66 scientists 64–68 publications: 75 scientists 69–73 publications: 71 scientists 74–78 publications: 85 scientists 79–83 publications: 108 scientists 84–88 publications: 105 scientists 89–93 publications: 84 scientists 94–98 publications: 103 scientists 99–103 publications: 97 scientists 104–108 publications: 95 scientists 109–113 publications: 89 scientists 114–118 publications: 88 scientists 119–123 publications: 109 scientists 124–128 publications: 93 scientists 129–133 publications: 89 scientists 134–138 publications: 95 scientists 139–143 publications: 92 scientists 144–148 publications: 80 scientists 149–153 publications: 75 scientists 154–158 publications: 74 scientists 159–163 publications: 67 scientists 164–168 publications: 53 scientists 169–173 publications: 62 scientists 174–178 publications: 63 scientists 179–183 publications: 50 scientists 184–188 publications: 55 scientists 189–193 publications: 50 scientists 194–198 publications: 27 scientists 199–203 publications: 44 scientists 204–208 publications: 31 scientists 209–213 publications: 28 scientists 214–218 publications: 38 scientists 219–223 publications: 33 scientists 224–228 publications: 36 scientists 229–233 publications: 29 scientists 234–238 publications: 35 scientists 239–243 publications: 23 scientists 244–248 publications: 24 scientists 249–253 publications: 29 scientists 254–258 publications: 28 scientists 259–263 publications: 21 scientists 264–268 publications: 25 scientists 269–273 publications: 11 scientists 274–278 publications: 18 scientists 279–283 publications: 13 scientists 284–288 publications: 18 scientists 289–293 publications: 10 scientists 294–298 publications: 12 scientists 299–303 publications: 11 scientists 304–308 publications: 15 scientists 309–313 publications: 14 scientists 314–318 publications: 14 scientists 319–323 publications: 8 scientists 324–328 publications: 8 scientists 329–333 publications: 13 scientists 334–338 publications: 14 scientists 339–343 publications: 13 scientists 344–348 publications: 10 scientists 349–353 publications: 11 scientists 354–358 publications: 5 scientists 359–363 publications: 8 scientists 364–368 publications: 8 scientists 369–373 publications: 6 scientists 374–378 publications: 7 scientists 379–383 publications: 8 scientists 384–388 publications: 3 scientists 389–393 publications: 4 scientists 394–398 publications: 5 scientists 399–403 publications: 8 scientists 404–408 publications: 5 scientists 409–413 publications: 4 scientists 414–418 publications: 3 scientists 419–423 publications: 8 scientists 424–428 publications: 5 scientists 429–433 publications: 3 scientists 434–438 publications: 5 scientists 439–441 publications: 5 scientists 442+ publications: 99 scientists
29 publications 442+

This scientist: 96 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 442 publications or more.

Nicholas E. Collias D-index placement in Animal Science and Veterinary in 2026

The chart shows the D-index (discipline H-index) distribution of Animal Science and Veterinary scientists ranked by Research.com in 2026. The highlighted bar marks where Nicholas E. Collias sits on this spectrum.

20 D-Index: 5 scientists 21 D-Index: 22 scientists 22 D-Index: 31 scientists 23 D-Index: 44 scientists 24 D-Index: 53 scientists 25 D-Index: 66 scientists 26 D-Index: 80 scientists 27 D-Index: 101 scientists 28 D-Index: 106 scientists 29 D-Index: 116 scientists 30 D-Index: 154 scientists 31 D-Index: 158 scientists 32 D-Index: 143 scientists 33 D-Index: 137 scientists 34 D-Index: 126 scientists 35 D-Index: 134 scientists 36 D-Index: 112 scientists 37 D-Index: 115 scientists 38 D-Index: 105 scientists 39 D-Index: 111 scientists 40 D-Index: 107 scientists 41 D-Index: 87 scientists 42 D-Index: 74 scientists 43 D-Index: 62 scientists 44 D-Index: 61 scientists 45 D-Index: 41 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 40 scientists 51 D-Index: 34 scientists 52 D-Index: 33 scientists 53 D-Index: 43 scientists 54 D-Index: 16 scientists 55 D-Index: 32 scientists 56 D-Index: 21 scientists 57 D-Index: 18 scientists 58 D-Index: 28 scientists 59 D-Index: 33 scientists 60 D-Index: 17 scientists 61 D-Index: 21 scientists 62 D-Index: 18 scientists 63 D-Index: 21 scientists 64 D-Index: 9 scientists 65 D-Index: 20 scientists 66 D-Index: 11 scientists 67 D-Index: 16 scientists 68 D-Index: 12 scientists 69 D-Index: 17 scientists 70 D-Index: 13 scientists 71 D-Index: 15 scientists 72 D-Index: 11 scientists 73 D-Index: 11 scientists 74 D-Index: 14 scientists 75 D-Index: 5 scientists 76 D-Index: 6 scientists 77+ D-Index: 100 scientists
20 D-Index 77+

This scientist: 31 D-Index — 30th percentile

30% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 77 D-Index or more.

Research.com Recognitions

  • 1977 - Fellow of the American Association for the Advancement of Science (AAAS)
  • 1962 - Fellow of John Simon Guggenheim Memorial Foundation

Overview

Nicholas E. Collias is affiliated with the University of California, Los Angeles in the United States. This affiliation situates their research within a major academic institution known for its diverse contributions to science and engineering.

Throughout their career, Collias has been recognized through distinguished awards, including being named a Fellow of the American Association for the Advancement of Science (AAAS) in 1977. Earlier, in 1962, they were also awarded a fellowship by the John Simon Guggenheim Memorial Foundation. These honors denote formal recognition by significant scientific and academic bodies.

The research scope, publication record, and collaboration network of Nicholas E. Collias are not publicly detailed in terms of recent papers, co-authors, or specific venues where work has been published. Additionally, there is no available data on book publications or detailed fields or subfields of study.

Given the absence of listed research topics, it is not possible to specify the scientific themes or main areas of expertise associated with their work from the available data.

Best Publications

  • Nest Building and Bird Behavior

    Nicholas E. Collias;Elsie C. Collias

  • The Analysis of Socialization in Sheep and Goats

    Nicholas E. Collias

  • Aggressive Behavior among Vertebrate Animals

    Unknown

  • Evolution of social organisation and visual communication in the weaver birds (Ploceinae)

    Unknown

  • The Vocal Repertoire of the Red Junglefowl: A Spectrographic Classification and the Code of Communication

    Nicholas E. Collias

  • On the Origin and Evolution of Nest Building by Passerine Birds

    Nicholas E. Collias

  • Social organization of a red junglefowl,Gallus gallus, population related to evolution theory

    Nicholas E. Collias;Elsie C. Collias

  • Statistical Analysis of Factors Which Make for Success in Initial Encounters between Hens

    Unknown

  • Locality fixation, mobility and social organization within an unconfined population of red jungle fowl

    Nicholas E. Collias;Nicholas E. Collias;Elsie C. Collias;Elsie C. Collias;Don Hunsaker;Don Hunsaker;Lory Minning;Lory Minning

  • Modification of the Social Order in Flocks of Hens by the Injection of Testosterone Propionate

    Unknown

  • THE EVOLUTION OF NESTS AND NEST-BUILDING IN BIRDS

    Unknown

  • The Development of Nest-Building Behavior in a Weaverbird

    Elsie C. Collias;Nicholas E. Collias

  • The role of vocalization in the social behaviour of the northern elephant seal

    George A. Bartholomew;Nicholas E. Collias

  • Social Behavior in Animals

    Unknown

  • Social Behavior and Breeding Success in Canada Geese (Branta canadensis) Confined under Semi-Natural Conditions

    Nicholas E. Collias;Laurence R. Jahn

  • THE BEHAVIOUR OF THE WEST AFRICAN VILLAGE WEAVERBIRD

    Nicholas E. Collias;Elsie C. Collias

  • Nest and mate selection in the village weaverbird (Ploceus cucullatus)

    N.E. Collias;J.K. Victoria

  • An Experimental Study of the Mechanisms of Nest Building in a Weaverbird

    Nicholas E. Collias;Elsie C. Collias

  • Anna's Hummingbirds Trained to Select Different Colors in Feeding

    Nicholas E. Collias;Elsie C. Collias

  • Cooperative Breeding Behavior in the White-Browed Sparrow Weaver

    Nicholas E. Collias;Elsie C. Collias

  • Dominant Red Junglefowl (Gallus Gallus) Hens in an Unconfined Flock Rear the Most Young over Their Lifetime

    Nicholas Collias;Elsie Collias;Robert I. Jennrich

  • Evolution of nest-building in the weaverbirds (Ploceidae)

    Richard F. Johnston;Nicholas E. Collias;Elsie C. Collias

  • NEST BUILDING AND NESTING BEHAVIOUR OF THE SOCIABLE WEAVER PHILETAIRUS SOCIUS

    Elsie C. Collias;Nicholas E. Collias

  • Size of Breeding Colony Related to Attraction of Mates in a Tropical Passerine Bird

    Nicholas E. Collias;Elsie C. Collias

  • BREEDING BEHAVIOUR OF THE BLACK-HEADED WEAVERBIRD TEXTOR CUCULLATUS GRAUERI (HARTERT) IN THE BELGIAN CONGO

    Nicholas E. Collias;Elsie C. Collias

  • Engineering aspects of nest building by birds

    Nicholas Collias

  • Nest colour as a factor in nest selection by female village weaverbirds

    Catherine H. Jacobs;Nicholas E. Collias;Jeffrey T. Fujimoto

Frequent Co-Authors

Robert I. Jennrich
Robert I. Jennrich University of California, Los Angeles
George A. Bartholomew
George A. Bartholomew University of California, Los Angeles

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Related Online Degrees & Career Pathways

For students interested in Animal Science and Veterinary studies, exploring related online degrees can broaden career opportunities. Programs like an accelerated exercise science degree online offer a fast-track option for those looking to integrate animal health and physical performance knowledge, especially in rehabilitation or therapy sectors.

Similarly, pursuing certifications through the best bcba programs equips students with skills in behavioral analysis, which intersects with animal behavior studies and training careers. This expands potential roles beyond traditional veterinary paths.

Other related fields focus on psychological well-being, where programs like nasp accredited school psychology programs provide essential knowledge in developmental psychology applicable to animal-assisted therapies and specialized educational roles.

For those seeking advanced clinical training, exploring online psyd programs accredited by the APA can offer pathways into psychological services that complement animal science professions, especially in therapeutic contexts.

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