World's Best Scientists 2026 revealed!
Laurene M. Ratcliffe

Laurene M. Ratcliffe

D-Index & Metrics

Animal Science and Veterinary

D-Index
50
Citations
7988
World Ranking
622
National Ranking
46

Ecology and Evolution

D-Index
50
Citations
7988
World Ranking
3903
National Ranking
271

Laurene M. Ratcliffe 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 Laurene M. Ratcliffe 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: 84 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: 74 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: 17 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: 139 publications — 50th percentile

50% of scientists in this discipline score the same or lower.

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

Laurene M. Ratcliffe 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 Laurene M. Ratcliffe 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: 60 scientists 45 D-Index: 40 scientists 46 D-Index: 51 scientists 47 D-Index: 43 scientists 48 D-Index: 28 scientists 49 D-Index: 47 scientists 50 D-Index: 39 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: 50 D-Index — 81st percentile

81% of scientists in this discipline score the same or lower.

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

Overview

Laurene M. Ratcliffe is affiliated with Queen's University in Canada and works primarily in the fields of Environmental Science and Agricultural and Biological Sciences. Their research focuses extensively on animal and avian ecology, behavior, and physiological adaptations within ecological systems.

The scientist's work covers multiple subfields, including Ecology, Ecology, Evolution, Behavior and Systematics, Parasitology, Biochemistry, and Nature and Landscape Conservation. Their research topics are varied but show a consistent focus on areas such as Animal Behavior and Reproduction, Avian ecology and behavior, Physiological and biochemical adaptations, Bird parasitology and diseases, Wildlife Ecology and Conservation, as well as Antioxidant Activity and Oxidative Stress, and Ecology and Vegetation Dynamics Studies.

Ratcliffe has contributed to a series of publications in recognized scientific venues. Notable papers include:

  • Black-capped Chickadee (Poecile atricapillus), 2020, Birds of the World
  • Feather carotenoids of the American Redstart (Setophaga ruticilla) across age and sex classes and the reliability of standard color metrics to capture pigment variation, 2024, Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology
  • Do candidate genes for migration and behavior explain migratory variation in bluebirds (Sialia spp.)?, 2020, The Wilson Journal of Ornithology
  • Do candidate genes for migration and behavior explain migratory variation in bluebirds (Sialia spp.)?, 2021, The Wilson Journal of Ornithology
  • Effects of urbanization and nest-box design on reproduction vary by species in three cavity-nesting passerines in the Okanagan Valley, British Columbia, Canada, 2020, Canadian Journal of Zoology

Frequent publication venues for Ratcliffe's research include:

  • The Wilson Journal of Ornithology
  • Comparative Biochemistry and Physiology Part B Biochemistry and Molecular Biology
  • Canadian Journal of Zoology
  • SSRN Electronic Journal
  • Birds of the World

Collaboration plays a role in Ratcliffe's research environment, with several frequent co-authors contributing to multiple publications. These collaborators include Catherine A. Dale, Jocelyn Hudon, Kile McKenna, Kingsley K. Donkor, and Sean M. Mahoney.

Best Publications

  • Tropical winter habitat limits reproductive success on the temperate breeding grounds in a migratory bird.

    D. Ryan Norris;Peter P. Marra;T. Kurt Kyser;Thomas W. Sherry

  • Female eavesdropping on male song contests in songbirds.

    Daniel J. Mennill;Laurene M. Ratcliffe;Peter T. Boag

  • Do female black-capped chickadees prefer high-ranking males as extra-pair partners?

    Ken Otter;Laurene Ratcliffe;Denise Michaud;Peter T. Boag

  • Design of Playback Experiments: The Thornbridge Hall NATO ARW Consensus

    Peter K. McGregor;Clive K. Catchpole;Torben Dabelsteen;J. Bruce Falls

  • Honest advertisement and song output during the dawn chorus of black-capped chickadees

    Ken Otter;Bryan Chruszcz;Laurene Ratcliffe

  • Non-breeding season events influence sexual selection in a long-distance migratory bird

    Matthew W. Reudink;Peter P. Marra;T. Kurt Kyser;Peter T. Boag

  • Pitch shifts and song structure indicate male quality in the dawn chorus of black-capped chickadees

    Peter J. Christie;Daniel J. Mennill;Laurene M. Ratcliffe

  • Overlapping and matching in the song contests of black-capped chickadees

    Daniel J Mennill;Laurene M Ratcliffe

  • Disruptive sexual selection for plumage coloration in a passerine bird

    Erick Greene;Bruce E. Lyon;Vincent R. Muehter;Laurene Ratcliffe

  • Species recognition in Darwin's finches (Geospiza, Gould). III. Male responses to playback of different song types, dialects and heterospecific songs

    Laurene M. Ratcliffe;Peter R. Grant

  • Achromatic color variation in black-capped chickadees, Poecile atricapilla: black and white signals of sex and rank

    Daniel J. Mennill;Stéphanie M. Doucet;Stéphanie M. Doucet;Robert Montgomerie;Laurene M. Ratcliffe

  • Reproductive Effort, Molting Latitude, and Feather Color in a Migratory Songbird

    D. Ryan Norris;D. Ryan Norris;Peter P. Marra;Robert Montgomerie;T. Kurt Kyser

  • Hydrogen isotopic variation in migratory bird tissues of known origin: implications for geographic assignment

    Kathryn M. Langin;Matthew W. Reudink;Peter P. Marra;D. Ryan Norris

  • Migratory connectivity of a widely distributed songbird, the American redstart (Setophaga ruticilla)

    D. Ryan Norris;Peter P. Marra;Gabriel J. Bowen;Laurene M. Ratcliffe

  • Female Initiated Divorce in a Monogamous Songbird: Abandoning Mates for Males of Higher Quality

    Ken Otter;Laurene Ratcliffe

  • Patterns of extrapair mating in relation to male dominance status and female nest placement in black-capped chickadees

    Daniel J. Mennill;Scott M. Ramsay;Peter T. Boag;Laurene M. Ratcliffe

  • The reaction of great tits (Parus major) to playback of degraded and undegraded songs: the effect of familiarity with the stimulus song type

    Peter K. McGregor;John R. Krebs;Laurene M. Ratcliffe

  • Absolute and Relative Pitch Production in the Song of the Black-Capped Chickadee

    Ron Weisman;Laurene Ratcliffe;Ingrid Johnsrude;T. Andrew Hurly

  • Frequency Variation in Songs of Black-Capped Chickadees (Parus Atricapillus)

    A. G. Horn;M. L. Leonard;L. Ratcliffe;S. A. Shackleton

  • Achromatic plumage reflectance predicts reproductive success in male black-capped chickadees

    Stéphanie M. Doucet;Daniel J. Mennill;Robert Montgomerie;Peter T. Boag

  • MITOCHONDRIAL DNA HOMOGENEITY IN THE PHENOTYPICALLY DIVERSE REDPOLL FINCH COMPLEX (AVES: CARDUELINAE: CARDUELIS FLAMMEA-HORNEMANNI).

    Gilles Seutin;Laurene M. Ratcliffe;Peter T. Boag

  • Divorce and extrapair mating in female black-capped chickadees (Parus atricapillus) : separate strategies with a common target

    Scott M. Ramsay;Kenneth A. Otter;Daniel J. Mennill;Laurene M. Ratcliffe

  • The reproductive choices of eavesdropping female black-capped chickadees, Poecile atricapillus

    Daniel J. Mennill;Daniel J. Mennill;Peter T. Boag;Laurene M. Ratcliffe

  • Changes in singing behavior of male black-capped chickadees (Parus atricapillus) following mate removal

    Ken Otter;Laurene Ratcliffe

  • Molting Latitude, and Feather Color in a Migratory Songbird

    D. Ryan Norris;Peter P. Marra;Robert Montgomerie;T. Kurt Kyser

Frequent Co-Authors

Daniel J. Mennill
Daniel J. Mennill University of Windsor
Peter T. Boag
Peter T. Boag Queen's University
Peter P. Marra
Peter P. Marra Georgetown University
D. Ryan Norris
D. Ryan Norris University of Guelph
Robert Montgomerie
Robert Montgomerie Queen's University
Daniel M. Weary
Daniel M. Weary University of British Columbia
Ingrid S. Johnsrude
Ingrid S. Johnsrude University of Western Ontario
Linda A. Whittingham
Linda A. Whittingham University of Wisconsin–Milwaukee
Stéphanie M. Doucet
Stéphanie M. Doucet University of Windsor
Andrew G. Horn
Andrew G. Horn Dalhousie University

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Related Online Degrees & Career Pathways

For students interested in expanding their knowledge beyond traditional Animal Science and Veterinary studies, several related online degree programs offer diverse career opportunities. These programs not only provide specialized knowledge but also flexibility through online learning.

Those passionate about behavior analysis can explore bcba accredited programs. These are ideal for individuals aiming to become Board Certified Behavior Analysts, a field that complements animal behavior expertise with applications in human and animal settings.

Students considering mental health and psychological support roles may find value in nasp accredited programs. These programs prepare candidates for careers in school psychology, focusing on developmental and behavioral challenges, which can relate to animal-assisted therapy and educational environments.

Advancing clinical psychology credentials through online psyd programs accredited by apa offers a pathway for those wanting to integrate psychology with veterinary care or animal welfare research.

Additionally, for individuals seeking to support recovery and rehabilitation, becoming a drug counselor through become a drug counselor online programs can lead to important roles in addiction counseling, sometimes involving therapeutic animal-assisted interventions.

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