World's Best Scientists 2026 revealed!

D-Index & Metrics

Animal Science and Veterinary

D-Index
27
Citations
2752
World Ranking
2803
National Ranking
792

Robert S. Hoffmann 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 Robert S. Hoffmann 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: 112 publications — 34th percentile

34% of scientists in this discipline score the same or lower.

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

Robert S. Hoffmann 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 Robert S. Hoffmann 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: 27 D-Index — 13th percentile

13% 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

  • 1988 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

What is he best known for?

The fields of study he is best known for:

  • Ecology
  • Genus
  • Zoology

The scientist’s investigation covers issues in Zoology, Ecology, Spermophilus, Sympatric speciation and Reproduction. His studies deal with areas such as Ground squirrel, Xerinae, Clade, Molecular clock and Molecular phylogenetics as well as Zoology. His Ecology research is multidisciplinary, incorporating elements of China and Reproductive success.

His biological study spans a wide range of topics, including Taxon, Paraphyly and Sympatry. His Sympatric speciation research is multidisciplinary, relying on both Range, Niche, Competitive exclusion principle, Competitive exclusion and Habitat. His research integrates issues of Hibernaculum, Hibernation and Weaning in his study of Reproduction.

His most cited work include:

  • A Guide to the Mammals of China (331 citations)
  • Mammals of the Soviet Union (216 citations)
  • Nuclear DNA phylogeny of the squirrels (Mammalia: Rodentia) and the evolution of arboreality from c-myc and RAG1 (164 citations)

What are the main themes of his work throughout his whole career to date?

Robert S. Hoffmann mainly focuses on Zoology, Ecology, Spermophilus, Ground squirrel and Archaeology. Robert S. Hoffmann frequently studies issues relating to Taxon and Zoology. His Taxon research is multidisciplinary, incorporating perspectives in Species level and Sympatry.

His work on Grouse, Insectivora, Reproduction and Geographic distribution as part of general Ecology research is often related to Distribution, thus linking different fields of science. His Spermophilus study often links to related topics such as Sympatric speciation. His work on African ground squirrel is typically connected to Spermophilus brunneus as part of general Ground squirrel study, connecting several disciplines of science.

He most often published in these fields:

  • Zoology (75.65%)
  • Ecology (35.65%)
  • Spermophilus (12.17%)

What were the highlights of his more recent work (between 1999-2018)?

  • Zoology (75.65%)
  • China (3.48%)
  • Ecology (35.65%)

In recent papers he was focusing on the following fields of study:

His main research concerns Zoology, China, Ecology, Index and Fishery. His research in the fields of Crocidura overlaps with other disciplines such as Dorsum. The China study combines topics in areas such as Russula and White.

His study in Ecology is interdisciplinary in nature, drawing from both Sorex tenellus and Species complex. His Fishery study combines topics in areas such as Forestry and Free ranging. His Paraphyly study combines topics from a wide range of disciplines, such as Otospermophilus, Xerinae, Ground squirrel, Spermophilus and Molecular clock.

Between 1999 and 2018, his most popular works were:

  • A Guide to the Mammals of China (331 citations)
  • Nuclear DNA phylogeny of the squirrels (Mammalia: Rodentia) and the evolution of arboreality from c-myc and RAG1 (164 citations)
  • Phylogeny and Evolutionary History of the Ground Squirrels (Rodentia: Marmotinae) (117 citations)

Best Publications

  • Nuclear DNA phylogeny of the squirrels (Mammalia: Rodentia) and the evolution of arboreality from c-myc and RAG1

    Scott J Steppan;Brian L Storz;Robert S Hoffmann

  • Phylogeny and Evolutionary History of the Ground Squirrels (Rodentia: Marmotinae)

    Richard G. Harrison;Steven M. Bogdanowicz;Robert S. Hoffmann;Eric Yensen

  • Molecular phylogeny of the marmots (Rodentia: Sciuridae): tests of evolutionary and biogeographic hypotheses.

    Scott J. Steppan;Mikhail R. Akhverdyan;Mikhail R. Akhverdyan;Elena A. Lyapunova;Darrilyn G. Fraser

  • Socioecology of Marmots: Female Reproductive Strategies

    Douglas C. Andersen;Kenneth B. Armitage;Robert S. Hoffmann

  • Habitat Overlap and Competitive Exclusion in Voles (Microtus)

    James R. Koplin;Robert S. Hoffmann

  • G-band patterns as chromosomal markers, and the interpretation of chromosomal evolution in wild sheep (Ovis).

    C F Nadler;C F Nadler;R S Hoffmann;R S Hoffmann;A Woolf;A Woolf

  • Pattern Analysis of Acoustical Behavior in Four Species of Ground Squirrels

    J. W. Koeppl;J. W. Koeppl;R. S. Hoffmann;R. S. Hoffmann;C. F. Nadler;C. F. Nadler

  • System Atics of the Holarctic Chipmunks (Tamias)

    Howard Levenson;Robert S. Hoffmann;Charles F. Nadler;Ljerka Deutsch

  • Pseudois nayaur and Pseudois schaeferi

    Xiaoming Wang;Robert S. Hoffmann

  • Morphological evolution in marmots (Rodentia, Sciuridae): size and shape of the dorsal and lateral surfaces of the cranium

    A. Cardini;Robert S. Hoffmann;Richard W. Thorington

  • G-band patterns, chromosomal homologies, and evolutionary relationships among wild sheep, goats, and aoudads (Mammalia, Artiodactyla).

    C. F. Nadler;C. F. Nadler;R. S. Hoffmann;R. S. Hoffmann;A. Woolf;A. Woolf

  • Chromosomes and systematics of some North American species of the genus Marmota (Rodentia: Sciuridae).

    R. S. Hoffmann;R. S. Hoffmann;C. F. Nadler;C. F. Nadler

  • Black brant, sea goose of the Pacific coast

    Robert S. Hoffmann;Arthur S. Einarsen

  • A REVISION OF THE WHITE-TOOTHED SHREWS (CROCIDURA) OF SOUTHERN CHINA

    Xue-long Jiang;Robert S. Hoffmann

  • A Three-Dimensional Home Range Model

    J. W. Koeppl;N.A. Slade;K. S. Harris;R. S. Hoffmann

  • Patterns of evolution and migration in the arctic ground squirrel, Spermophilus parryii (Richardson)

    Charles F. Nadler;Robert S. Hoffmann

  • Evolution in ground squirrels--I. Transferrins in holarctic populations of Spermophilus.

    Charles F Nadler;R.I Sukernik;Robert S Hoffmann;N.N Vorontsov

  • Chromosomes and Serum Proteins of Prairie Dogs and a Model of Cynomys Evolution

    Charles F. Nadler;Charles F. Nadler;Robert S. Hoffmann;Robert S. Hoffmann;John J. Pizzimentt;John J. Pizzimentt

  • Chromosomal Evolution in Chipmunks, with Special Emphasis on A and B Karyotypes of the Subgenus Neotamias

    Charles F. Nadler;Robert S. Hoffmann;James H. Honacki;Deborah Pozin

  • A Review of the Taxonomy of the Sorex Vagrans Species Complex From Western North America

    D Hennings;R S Hoffmann

  • Chromosomal Divergence During Evolution of Ground Squirrel Populations (Rodentia: Spermophilus)

    Charles F. Nadler;Robert S. Hoffmann;Kenneth R. Greer

  • Chromosomes of the siberian snow sheep, Ovis nivicola, and implications concerning the origin of amphiberingian wild sheep (subgenus Pachyceros)

    K.V. Korobitsyna;C.F. Nadler;N.N. Vorontsov;R.S. Hoffmann;R.S. Hoffmann

  • Cytogenetic Differentiation, Geographie Distribution, and Domestication in Palearctic Sheep (Ovis)

    Charles F Nadler;Robert S Hoffmann;K Korobitsina;N N Vorontsov

  • A REVISION OF THE WHITE-TOOTHED SHREWS (CROCIDURA) OF

    Xue-Long Jiang;Robert S. Hoffmann

Frequent Co-Authors

Charles F. Nadler
Charles F. Nadler Northwestern University
Andrew T. Smith
Andrew T. Smith Arizona State University
Norman A. Slade
Norman A. Slade University of Kansas
Lawrence R. Heaney
Lawrence R. Heaney Field Museum of Natural History
Michael J. Braun
Michael J. Braun University of Maryland, College Park
Kenneth B. Armitage
Kenneth B. Armitage University of Kansas
Richard W. Thorington
Richard W. Thorington National Museum of Natural History
Paul O'Higgins
Paul O'Higgins Hull York Medical School
Paul W. Sherman
Paul W. Sherman Cornell University

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

For those interested in Animal Science and Veterinary studies, exploring related online degrees can open diverse career opportunities. Programs such as nasp approved online school psychology programs offer specialized training in behavioral sciences, which is valuable for careers involving animal behavior and welfare.

Another pathway includes mental health disciplines that complement veterinary care, including psyd online programs apa accredited. These programs provide advanced psychological education critical for animal-assisted therapy or counseling roles.

Healthcare and wellness fields merge with animal science through certifications such as accredited online colleges for drug and alcohol counseling. Professionals trained in addiction counseling can work alongside veterinary practitioners to support clients dealing with substance abuse, including stress management for pet owners.

Finally, comprehensive support systems for families and communities can be enhanced by pursuing marriage and family therapy master's programs online. These programs develop skills applicable to holistic care approaches, integrating human and animal welfare concerns.

Best Scientists Citing Robert S. Hoffmann

Recently Published Articles