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Laurene M. Ratcliffe

Laurene M. Ratcliffe

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Animal Science and Veterinary 50 623 572 46 45 139 7988
Ecology and Evolution 50 3899 3759 270 258 138 7988

Laurene M. Ratcliffe publications per year

The chart shows the history of publications by Laurene M. Ratcliffe between 1979 and 2024, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Laurene M. Ratcliffe published across 46 years, from 1979 to 2024, averaging 3.1 papers a year. Output peaked at 11 publications in 2004. 2 of the 142 publications appeared in the last two years.

No. of publications
2 4 6 8 10
Bar chart. Horizontal axis: year, 1979 to 2024. Vertical axis: number of publications, 0 to 11. Peak 11 publications in 2004. 1979: 1 publication 1980: 0 publications 1981: 0 publications 1982: 0 publications 1983: 2 publications 1984: 0 publications 1985: 2 publications 1986: 1 publication 1987: 4 publications 1988: 2 publications 1989: 1 publication 1990: 2 publications 1991: 4 publications 1992: 8 publications 1993: 3 publications 1994: 7 publications 1995: 3 publications 1996: 3 publications 1997: 5 publications 1998: 1 publication 1999: 2 publications 2000: 6 publications 2001: 1 publication 2002: 2 publications 2003: 6 publications 2004: 11 publications 2005: 5 publications 2006: 4 publications 2007: 5 publications 2008: 11 publications 2009: 5 publications 2010: 6 publications 2011: 1 publication 2012: 2 publications 2013: 4 publications 2014: 1 publication 2015: 4 publications 2016: 4 publications 2017: 3 publications 2018: 0 publications 2019: 2 publications 2020: 3 publications 2021: 2 publications 2022: 1 publication 2023: 0 publications 2024: 2 publications
1979 2024

142 publications in total across all disciplines

View publications per year as a table
Laurene M. Ratcliffe: publications per year, 1979 to 2024
Year Publications
1979 1
1980 0
1981 0
1982 0
1983 2
1984 0
1985 2
1986 1
1987 4
1988 2
1989 1
1990 2
1991 4
1992 8
1993 3
1994 7
1995 3
1996 3
1997 5
1998 1
1999 2
2000 6
2001 1
2002 2
2003 6
2004 11
2005 5
2006 4
2007 5
2008 11
2009 5
2010 6
2011 1
2012 2
2013 4
2014 1
2015 4
2016 4
2017 3
2018 0
2019 2
2020 3
2021 2
2022 1
2023 0
2024 2
Total 142
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Laurene M. Ratcliffe publications per year - data summary

  • Laurene M. Ratcliffe, a Animal Science and Veterinary scholar from Queen's University, has 142 publications recorded across 46 years, from 1979 to 2024.
  • The oldest publication on record dates to 1979 and the most recent to 2024.
  • The most productive years are 2004 and 2008, with 11 publications each.
  • The least productive years with any output are 1979, 1986, 1989, 1998 and others, with 1 publication each.
  • 6 of the 46 years in the span carry no publications at all (1980, 1981, 1982, 1984 and others).
  • The rate of publication averages 3.1 papers per year over the whole span, or 3.5 per year counting only the 40 years with at least one publication.
  • The last 5 years on the chart (2020-2024) hold 8 publications, 6% of the career total.
  • Split into equal eras - 1979-1994: 37 publications (2.3 per year); 1995-2010: 76 publications (4.8 per year); 2011-2024: 29 publications (2.1 per year).
  • Comparing the opening and closing eras, the overall trend of publication is broadly steady.

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.

No. of scientists
25 50 75 100
Bar chart with 84 bars. Horizontal axis: publications, 29–33 to 442+. Vertical axis: number of scientists, 0 to 109. Most scientists, 109, have 119–123 publications. The last bar groups every scientist with 442 publications or more. The highlighted bar, 139–143 publications, is where this scientist sits. 29–33 publications: 1 scientist 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
29–33 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.

View publications distribution as a table
Number of Animal Science and Veterinary scientists by publication count, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
Publications Scientists This scientist
29–33 1
34–38 6
39–43 17
44–48 23
49–53 28
54–58 44
59–63 66
64–68 75
69–73 71
74–78 85
79–83 108
84–88 105
89–93 84
94–98 103
99–103 97
104–108 95
109–113 89
114–118 88
119–123 109
124–128 93
129–133 89
134–138 95
139–143 92 139
144–148 80
149–153 75
154–158 74
159–163 67
164–168 53
169–173 62
174–178 63
179–183 50
184–188 55
189–193 50
194–198 27
199–203 44
204–208 31
209–213 28
214–218 38
219–223 33
224–228 36
229–233 29
234–238 35
239–243 23
244–248 24
249–253 29
254–258 28
259–263 21
264–268 25
269–273 11
274–278 18
279–283 13
284–288 18
289–293 10
294–298 12
299–303 11
304–308 15
309–313 14
314–318 14
319–323 8
324–328 8
329–333 13
334–338 14
339–343 13
344–348 10
349–353 11
354–358 5
359–363 8
364–368 8
369–373 6
374–378 7
379–383 8
384–388 3
389–393 4
394–398 5
399–403 8
404–408 5
409–413 4
414–418 3
419–423 8
424–428 5
429–433 3
434–438 5
439–441 5
442+ 99
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Laurene M. Ratcliffe publication distribution in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the publication count of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 84 ranges running from 29–33 to 442+ publications.
  • Laurene M. Ratcliffe, a Animal Science and Veterinary scholar from Queen's University, records 139 publications - the 50th percentile of the discipline.
  • 50% of ranked Animal Science and Veterinary scientists score the same or lower than Laurene M. Ratcliffe, and about 50% score higher.
  • The median of the discipline falls in the 139–143 publications range, and Laurene M. Ratcliffe falls inside that same range.
  • The most crowded range is 119–123 publications, holding 109 scientists (3% of the field).
  • 47% of the field sits in the lowest quarter of the value range (up to 129–133 publications), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 442 publications or more, 99 scientists in all (3% of the field).

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.

No. of scientists
50 100 150
Bar chart with 58 bars. Horizontal axis: D-Index, 20 to 77+. Vertical axis: number of scientists, 0 to 158. Most scientists, 158, have 31 D-Index. The last bar groups every scientist with 77 D-Index or more. The highlighted bar, 50 D-Index, is where this scientist sits. 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: 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.

View D-Index distribution as a table
Number of Animal Science and Veterinary scientists by D-index, Research.com 2026 ranking edition. Based on 3,155 ranked scientists.
D-Index Scientists This scientist
20 5
21 22
22 31
23 44
24 53
25 66
26 80
27 101
28 106
29 116
30 154
31 158
32 143
33 137
34 126
35 134
36 112
37 115
38 105
39 111
40 107
41 87
42 74
43 62
44 61
45 41
46 51
47 43
48 28
49 47
50 40 50
51 34
52 33
53 43
54 16
55 32
56 21
57 18
58 28
59 33
60 17
61 21
62 18
63 21
64 9
65 20
66 11
67 16
68 12
69 17
70 13
71 15
72 11
73 11
74 14
75 5
76 6
77+ 100
Download as CSV

Laurene M. Ratcliffe D-index placement in Animal Science and Veterinary in 2026 - data summary

  • The chart plots the discipline H-index (D-index) of all 3,155 Animal Science and Veterinary scientists ranked by Research.com in 2026, grouped into 58 ranges running from 20 to 77+ D-Index.
  • Laurene M. Ratcliffe, a Animal Science and Veterinary scholar from Queen's University, records 50 D-Index - the 81st percentile of the discipline.
  • 81% of ranked Animal Science and Veterinary scientists score the same or lower than Laurene M. Ratcliffe, and about 19% score higher.
  • The median of the discipline falls in the 36 D-Index range, and Laurene M. Ratcliffe ranks above the median.
  • The most crowded range is 31 D-Index, holding 158 scientists (5% of the field).
  • 43% of the field sits in the lowest quarter of the value range (up to 34 D-Index), so the distribution leans towards the lower end of the scale.
  • The final bar has no upper bound: it groups every scientist with 77 D-Index or more, 100 scientists in all (3% of the field).

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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