World's Best Scientists 2026 revealed!

D-Index & Metrics

Ecology and Evolution

D-Index
44
Citations
5232
World Ranking
5174
National Ranking
1763

Martin L. Morton publication distribution in Ecology and Evolution in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Ecology and Evolution in 2026. The highlighted bar marks where Martin L. Morton sits on this spectrum.

37–41 publications: 2 scientists 42–46 publications: 9 scientists 47–51 publications: 10 scientists 52–56 publications: 31 scientists 57–61 publications: 56 scientists 62–66 publications: 91 scientists 67–71 publications: 92 scientists 72–76 publications: 127 scientists 77–81 publications: 173 scientists 82–86 publications: 236 scientists 87–91 publications: 227 scientists 92–96 publications: 240 scientists 97–101 publications: 333 scientists 102–106 publications: 280 scientists 107–111 publications: 300 scientists 112–116 publications: 285 scientists 117–121 publications: 305 scientists 122–126 publications: 287 scientists 127–131 publications: 278 scientists 132–136 publications: 289 scientists 137–141 publications: 273 scientists 142–146 publications: 262 scientists 147–151 publications: 246 scientists 152–156 publications: 235 scientists 157–161 publications: 205 scientists 162–166 publications: 199 scientists 167–171 publications: 174 scientists 172–176 publications: 164 scientists 177–181 publications: 173 scientists 182–186 publications: 189 scientists 187–191 publications: 170 scientists 192–196 publications: 139 scientists 197–201 publications: 128 scientists 202–206 publications: 117 scientists 207–211 publications: 115 scientists 212–216 publications: 107 scientists 217–221 publications: 124 scientists 222–226 publications: 81 scientists 227–231 publications: 82 scientists 232–236 publications: 85 scientists 237–241 publications: 75 scientists 242–246 publications: 66 scientists 247–251 publications: 81 scientists 252–256 publications: 69 scientists 257–261 publications: 70 scientists 262–266 publications: 55 scientists 267–271 publications: 64 scientists 272–276 publications: 49 scientists 277–281 publications: 48 scientists 282–286 publications: 44 scientists 287–291 publications: 45 scientists 292–296 publications: 36 scientists 297–301 publications: 39 scientists 302–306 publications: 38 scientists 307–311 publications: 30 scientists 312–316 publications: 34 scientists 317–321 publications: 25 scientists 322–326 publications: 22 scientists 327–331 publications: 28 scientists 332–336 publications: 30 scientists 337–341 publications: 22 scientists 342–346 publications: 30 scientists 347–351 publications: 26 scientists 352–356 publications: 22 scientists 357–361 publications: 29 scientists 362–366 publications: 21 scientists 367–371 publications: 12 scientists 372–376 publications: 18 scientists 377–381 publications: 17 scientists 382–386 publications: 13 scientists 387–391 publications: 21 scientists 392–396 publications: 13 scientists 397–401 publications: 10 scientists 402–406 publications: 15 scientists 407–411 publications: 8 scientists 412–416 publications: 9 scientists 417–421 publications: 8 scientists 422–426 publications: 4 scientists 427–431 publications: 10 scientists 432–436 publications: 10 scientists 437–441 publications: 5 scientists 442–446 publications: 4 scientists 447–451 publications: 10 scientists 452–456 publications: 2 scientists 457–461 publications: 4 scientists 462–466 publications: 7 scientists 467–471 publications: 7 scientists 472–476 publications: 6 scientists 477–481 publications: 6 scientists 482–486 publications: 3 scientists 487–491 publications: 3 scientists 492–496 publications: 4 scientists 497–501 publications: 4 scientists 502–506 publications: 8 scientists 507–511 publications: 5 scientists 512–516 publications: 4 scientists 517–521 publications: 5 scientists 522–526 publications: 4 scientists 527–530 publications: 5 scientists 531+ publications: 100 scientists
37 publications 531+

This scientist: 89 publications — 11th percentile

11% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 531 publications or more.

Martin L. Morton D-index placement in Ecology and Evolution in 2026

The chart shows the D-index (discipline H-index) distribution of Ecology and Evolution scientists ranked by Research.com in 2026. The highlighted bar marks where Martin L. Morton sits on this spectrum.

30 D-Index: 95 scientists 31 D-Index: 123 scientists 32 D-Index: 191 scientists 33 D-Index: 245 scientists 34 D-Index: 252 scientists 35 D-Index: 244 scientists 36 D-Index: 249 scientists 37 D-Index: 244 scientists 38 D-Index: 254 scientists 39 D-Index: 254 scientists 40 D-Index: 280 scientists 41 D-Index: 274 scientists 42 D-Index: 266 scientists 43 D-Index: 233 scientists 44 D-Index: 248 scientists 45 D-Index: 208 scientists 46 D-Index: 201 scientists 47 D-Index: 213 scientists 48 D-Index: 207 scientists 49 D-Index: 172 scientists 50 D-Index: 209 scientists 51 D-Index: 199 scientists 52 D-Index: 153 scientists 53 D-Index: 169 scientists 54 D-Index: 163 scientists 55 D-Index: 148 scientists 56 D-Index: 120 scientists 57 D-Index: 146 scientists 58 D-Index: 137 scientists 59 D-Index: 140 scientists 60 D-Index: 104 scientists 61 D-Index: 119 scientists 62 D-Index: 118 scientists 63 D-Index: 99 scientists 64 D-Index: 77 scientists 65 D-Index: 100 scientists 66 D-Index: 86 scientists 67 D-Index: 83 scientists 68 D-Index: 75 scientists 69 D-Index: 94 scientists 70 D-Index: 57 scientists 71 D-Index: 68 scientists 72 D-Index: 59 scientists 73 D-Index: 63 scientists 74 D-Index: 66 scientists 75 D-Index: 60 scientists 76 D-Index: 42 scientists 77 D-Index: 49 scientists 78 D-Index: 39 scientists 79 D-Index: 37 scientists 80 D-Index: 43 scientists 81 D-Index: 41 scientists 82 D-Index: 45 scientists 83 D-Index: 34 scientists 84 D-Index: 40 scientists 85 D-Index: 35 scientists 86 D-Index: 55 scientists 87 D-Index: 24 scientists 88 D-Index: 24 scientists 89 D-Index: 30 scientists 90 D-Index: 23 scientists 91 D-Index: 25 scientists 92 D-Index: 27 scientists 93 D-Index: 27 scientists 94 D-Index: 13 scientists 95 D-Index: 23 scientists 96 D-Index: 12 scientists 97 D-Index: 14 scientists 98 D-Index: 19 scientists 99 D-Index: 16 scientists 100 D-Index: 14 scientists 101 D-Index: 5 scientists 102 D-Index: 21 scientists 103 D-Index: 16 scientists 104 D-Index: 10 scientists 105 D-Index: 7 scientists 106 D-Index: 7 scientists 107 D-Index: 7 scientists 108 D-Index: 6 scientists 109 D-Index: 9 scientists 110 D-Index: 11 scientists 111 D-Index: 12 scientists 112 D-Index: 9 scientists 113 D-Index: 7 scientists 114 D-Index: 3 scientists 115 D-Index: 8 scientists 116 D-Index: 5 scientists 117 D-Index: 11 scientists 118 D-Index: 4 scientists 119 D-Index: 2 scientists 120 D-Index: 5 scientists 121+ D-Index: 100 scientists
30 D-Index 121+

This scientist: 44 D-Index — 41st percentile

41% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 121 D-Index or more.

Research.com Recognitions

  • 1980 - Fellow of the American Association for the Advancement of Science (AAAS)

Overview

Martin L. Morton is affiliated with Occidental College in the United States. Their academic work includes research contributions primarily in the field of biology, with a focus on avian species behavior.

Morton's recent publication is titled FACULTATIVE ALTITUDINAL MOVEMENTS BY MOUNTAIN WHITE-CROWNED SPARROWS (ZONOTRICHIA LEUCOPHRYS ORIANTHA) IN THE SIERRA NEVADA, published in 2021 through UNC Libraries.

Frequent collaborators in their research include:

  • Thomas P. Hahn
  • Keith W. Sockman
  • Creagh W. Breuner

Their research has appeared in the following publication venue:

  • UNC Libraries

Martin L. Morton has been recognized as a Fellow of the American Association for the Advancement of Science (AAAS) since 1980.

Best Publications

  • Demography of Belding's ground squirrels

    Paul W. Sherman;Martin L. Morton

  • Extra-pair fertilizations in mountain white-crowned sparrows

    Paul W. Sherman;Martin L. Morton

  • Effects of temperature on photoperiodically induced reproductive development, circulating plasma luteinizing hormone and thyroid hormones, body mass, fat deposition and molt in mountain white-crowned sparrows, Zonotrichia leucophrys oriantha.

    John C. Wingfield;Thomas P. Hahn;Donna L. Maney;Stephan J. Schoech

  • Hatching asynchrony in the mountain white-crowned sparrow (Zonotrichia leucophrys oriantha): a selected or incidental trait?

    Paul S. Mead;Martin L. Morton

  • Effects of a spring snowstorm on behavior, reproduction, and survival of Belding's ground squirrels

    Martin L. Morton;Paul W. Sherman

  • Song dialects and mate selection in montane White-crowned Sparrows.

    Luis F. Baptista;Martin L. Morton

  • Annual Gonadal Cycles and Pituitary Gonadotropins in Zonotrichia leucophrys gambelii

    James R. King;Brian K. Follett;Donald S. Farner;Martin L. Morton

  • Song learning in montane white-crowned sparrows: from whom and when

    Luis F. Baptista;Martin L. Morton

  • The Regulation of Egg Temperatures and Attentiveness Patterns in the Dusky Flycatcher (Empidonax oberholseri)

    Martin L. Morton;Maria E. Pereyra

  • Hematocrits in Montane Sparrows in Relation to Reproductive Schedule

    Martin L. Morton

  • Aspects of circulatory physiology of montane and lowland birds.

    Cynthia Carey;Martin L. Morton

  • Postfledging Dispersal, Habitat Imprinting, and Philopatry in a Montane, Migratory Sparrow

    M. L. Morton;M. W. Wakamatsu;M. E. Pereyra;G. A. Morton

  • Effects of sex and birth date on premigration biology, migration schedules, return rates and natal dispersal in the Mountain white-crowned sparrow

    Martin L. Morton

  • Photoperiodically induced ovarian growth in the white-crowned sparrow (Zonotrichia leucophrys gambelii) and its augmentation by song

    Martin L Morton;Maria E Pereyra;Luis F Baptista

  • Stimulatory effects on the reproductive axis in female songbirds by conspecific and heterospecific male song.

    George E. Bentley;John C. Wingfield;Martin L. Morton;Gregory F. Ball

  • Population declines of Yosemite toads in the eastern Sierra Nevada of California

    Unknown

  • Singing and its functions in female white-crowned sparrows

    Luis F. Baptista;Pepper W. Trail;Barbara B. DeWolfe;Martin L. Morton

  • Dynamics of postnuptial molt in free-living mountain white-crowned sparrows

    Galen A. Morton;Martin L. Morton

  • Sexual Dimorphism in Egg Size and Implications regarding Facultative Manipulation of Sex in Mountain White-Crowned Sparrows

    Paul S. Mead;Martin L. Morton;Brian E. Fish

  • Reproductive Cycle and Nesting Success of the Mountain White-Crowned Sparrow (Zonotrichia leucophrys oriantha) in the Central Sierra Nevada

    Martin L. Morton;Judith L. Horstmann;Janet M. Osborn

  • A quantitiative examination of ovarian growth in the white-crowned sparrow.

    Donald S. Farner;Brian K. Follett;James R King;Martin L. Morton

Frequent Co-Authors

Thomas P. Hahn
Thomas P. Hahn University of California, Davis
Paul W. Sherman
Paul W. Sherman Cornell University
John C. Wingfield
John C. Wingfield University of California, Davis
Wesley W. Weathers
Wesley W. Weathers University of California, Davis
Peter Marler
Peter Marler University of California, Davis
Gregory F. Ball
Gregory F. Ball University of Maryland, College Park
George E. Bentley
George E. Bentley University of California, Berkeley
Nadav Nur
Nadav Nur Point Blue Conservation Science
Creagh W. Breuner
Creagh W. Breuner University of Montana

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Related Online Degrees & Career Pathways

Studying Ecology and Evolution opens doors to a variety of academic and professional fields. If you have a broad interest in understanding human behavior and mental health as part of ecological systems, consider exploring the best online clinical psychology programs. These programs teach transferable skills in research and analysis that intersect with ecology.

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Ecology and built environments are interconnected as well. An online architecture degree equips you with the expertise to design spaces that respect both environmental and evolutionary factors. Whichever field you choose, online learning offers flexible options to expand your skills and advance your career.

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