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Saint Louis Zoo

In research, Saint Louis Zoo stands highest in Life Sciences (#5,911 of 11,023 worldwide), Medicine (#11,082 of 14,558 worldwide) and Health Sciences (#12,909 of 16,688 worldwide), over all time.

stlzoo.orgROR OpenAlex
World rank, 2022-now
#20,956
of 22,385 · #18,964 all time
Rank in United States
#3,101
of 3,332
Research works
470
▼ 12% vs 2018-21
Citations
9.2k
19.5 per fractional work
Top-10% rate
7.2%
all institutions 10.0%
vs its own fields
0.94×
1.00× is exactly expected
Open access
27%
world 40%
International
16%
world 18%
Saint Louis Zoo

What is Saint Louis Zoo known for in research?

The fields where it stands highest, over all time, ranked among every institution above the floor in each field.

FieldWorld rankWhere that sitsTop-10% rateWorks
Life SciencesDomain #5,911 of 11,023 8.5%139
MedicineField #11,082 of 14,558 2.9%147
Health SciencesDomain #12,909 of 16,688 3.8%188

Each strip is that field's whole ranked pool, with the notch where Saint Louis Zoo sits in it, in the colour of the band that rank falls in. The track under the rate is the rate itself: it carries no average mark, because the average differs by field (from about 6% in Dentistry to 21% in Economics).

Which fields of science does Saint Louis Zoo work in?

In 2022-now, 35% of research at Saint Louis Zoo is in Health Sciences, 31% in Life Sciences. Its largest fields are Medicine (26%), Environmental Science (19%), Agricultural and Biological Sciences (13%). It does 2.0× the world's share of Life Sciences.

Health Sciences: 29 fractional works · 35.4% of its workMedicine: 22 fractional works · 26.2% of its workEpidemiology: 2 fractional works · 2.6% of its workPublic Health, Environmental and Occupational Health: 2 fractional works · 2.6% of its workSurgery: 2 fractional works · 2.1% of its workEndocrinology, Diabetes and Metabolism: 2 fractional works · 2.0% of its workRheumatology: 2 fractional works · 1.9% of its workDermatology: 2 fractional works · 1.8% of its workCardiology and Cardiovascular Medicine: 1 fractional works · 1.4% of its workPhysiology: 1 fractional works · 1.2% of its workOncology: 1 fractional works · 1.2% of its workInfectious Diseases: 1 fractional works · 0.9% of its workPulmonary and Respiratory Medicine: 1 fractional works · 0.9% of its workRadiology, Nuclear Medicine and Imaging: 1 fractional works · 0.8% of its workCritical Care and Intensive Care Medicine: 0 fractional works · 0.6% of its workHematology: 0 fractional works · 0.6% of its workImmunology and Allergy: 0 fractional works · 0.6% of its workPediatrics, Perinatology and Child Health: 0 fractional works · 0.5% of its workGenetics: 0 fractional works · 0.5% of its workNeurology: 0 fractional works · 0.4% of its workPsychiatry and Mental health: 0 fractional works · 0.4% of its workHepatology: 0 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.4% of its workRehabilitation: 0 fractional works · 0.4% of its workPathology and Forensic Medicine: 0 fractional works · 0.3% of its workBiochemistry: 0 fractional works · 0.3% of its workAnesthesiology and Pain Medicine: 0 fractional works · 0.3% of its workObstetrics and Gynecology: 0 fractional works · 0.3% of its workEmergency Medicine: 0 fractional works · 0.2% of its workInternal Medicine: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workVeterinary: 7 fractional works · 8.7% of its workSmall Animals: 7 fractional works · 8.1% of its workEquine: 0 fractional works · 0.5% of its workHealth Professions: 0 fractional works · 0.5% of its workGeneral Health Professions: 0 fractional works · 0.3% of its workPhysical Therapy, Sports Therapy and Rehabilitation: 0 fractional works · 0.2% of its workLife Sciences: 26 fractional works · 30.8% of its workAgricultural and Biological Sciences: 11 fractional works · 12.8% of its workEcology, Evolution, Behavior and Systematics: 4 fractional works · 4.8% of its workAnimal Science and Zoology: 2 fractional works · 2.3% of its workPlant Science: 2 fractional works · 2.2% of its workAgronomy and Crop Science: 2 fractional works · 1.8% of its workAquatic Science: 1 fractional works · 0.7% of its workInsect Science: 0 fractional works · 0.4% of its workSoil Science: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.2% of its workBiochemistry, Genetics and Molecular Biology: 8 fractional works · 9.9% of its workGenetics: 5 fractional works · 5.4% of its workMolecular Biology: 3 fractional works · 3.1% of its workCancer Research: 0 fractional works · 0.5% of its workDevelopmental Biology: 0 fractional works · 0.3% of its workPhysiology: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.3% of its workImmunology and Microbiology: 6 fractional works · 6.9% of its workImmunology: 2 fractional works · 3.0% of its workParasitology: 2 fractional works · 2.7% of its workVirology: 1 fractional works · 0.6% of its workMicrobiology: 0 fractional works · 0.5% of its workNeuroscience: 1 fractional works · 0.8% of its workBiological Psychiatry: 0 fractional works · 0.2% of its workCognitive Neuroscience: 0 fractional works · 0.2% of its workDevelopmental Neuroscience: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.2% of its workPharmacology, Toxicology and Pharmaceutics: 0 fractional works · 0.4% of its workPharmacology: 0 fractional works · 0.4% of its workPhysical Sciences: 21 fractional works · 25.7% of its workEnvironmental Science: 16 fractional works · 19.2% of its workEcology: 9 fractional works · 10.5% of its workNature and Landscape Conservation: 3 fractional works · 4.0% of its workGlobal and Planetary Change: 2 fractional works · 2.1% of its workManagement, Monitoring, Policy and Law: 1 fractional works · 0.9% of its workEcological Modeling: 1 fractional works · 0.8% of its workWater Science and Technology: 0 fractional works · 0.4% of its workHealth, Toxicology and Mutagenesis: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.3% of its workEngineering: 2 fractional works · 2.1% of its workMechanical Engineering: 1 fractional works · 1.6% of its workElectrical and Electronic Engineering: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workComputer Science: 2 fractional works · 2.0% of its workComputer Science Applications: 1 fractional works · 1.3% of its workArtificial Intelligence: 0 fractional works · 0.4% of its workInformation Systems: 0 fractional works · 0.3% of its workEarth and Planetary Sciences: 1 fractional works · 1.1% of its workPaleontology: 0 fractional works · 0.6% of its workOceanography: 0 fractional works · 0.3% of its workGeophysics: 0 fractional works · 0.2% of its workSmaller subfields together: 0 fractional works · 0.1% of its workMaterials Science: 1 fractional works · 0.7% of its workMaterials Chemistry: 0 fractional works · 0.6% of its workSmaller subfields together: 0 fractional works · 0.1% of its workChemistry: 0 fractional works · 0.4% of its workSpectroscopy: 0 fractional works · 0.4% of its workMathematics: 0 fractional works · 0.1% of its workPhysics and Astronomy: 0 fractional works · 0.0% of its workSocial Sciences: 7 fractional works · 8.2% of its workPsychology: 5 fractional works · 6.3% of its workSocial Psychology: 4 fractional works · 5.3% of its workExperimental and Cognitive Psychology: 1 fractional works · 0.8% of its workClinical Psychology: 0 fractional works · 0.2% of its workArts and Humanities: 1 fractional works · 0.9% of its workHistory: 0 fractional works · 0.4% of its workPhilosophy: 0 fractional works · 0.4% of its workSmaller subfields together: 0 fractional works · 0.1% of its workSocial Sciences: 0 fractional works · 0.6% of its workCommunication: 0 fractional works · 0.3% of its workEducation: 0 fractional works · 0.3% of its workSmaller subfields together: 0 fractional works · 0.0% of its workBusiness, Management and Accounting: 0 fractional works · 0.3% of its workManagement Information Systems: 0 fractional works · 0.3% of its workEconomics, Econometrics and Finance: 0 fractional works · 0.1% of its workALL ITS WORKSaint Louis Zoo83fractional works, 2022-now
Life Sciences31%Physical Sciences26%Health Sciences35%Social Sciences8%

Each ring splits the one inside it: the four domains of science, their fields, their subfields. Size is fractional works in 2022-now. Every slice is a page; the interactive view zooms down to single topics and colours each by how much more of it this institution does than the world.

Its 4 domains and 21 fields, with their numbers
    1. Medicine2226.2%
    2. Veterinary78.7%
    3. Health Professions00.5%
    1. Agricultural and Biological Sciences1112.8%
    2. Biochemistry, Genetics and Molecular Biology89.9%
    3. Immunology and Microbiology66.9%
    4. Neuroscience10.8%
    5. Pharmacology, Toxicology and Pharmaceutics00.4%
    1. Environmental Science1619.2%
    2. Engineering22.1%
    3. Computer Science22.0%
    4. Earth and Planetary Sciences11.1%
    5. Materials Science10.7%
    6. Chemistry00.4%
    7. Mathematics00.1%
    8. Physics and Astronomy00.0%
    1. Psychology56.3%
    2. Arts and Humanities10.9%
    3. Social Sciences00.6%
    4. Business, Management and Accounting00.3%
    5. Economics, Econometrics and Finance00.1%
All of science, and how each field's share has moved since 1950: the Science domain explorer

Field profile

Location quotient across every field it publishes in: outside the ring is more than an institution of this size would be expected to publish, inside it is less.

Agricultural and Biological Sciences: 2.69× its world share, 11 worksAgricultural and Bio…Biochemistry, Genetics and Molecular Biology: 1.86× its world share, 8 worksBiochemistry, Geneti…Immunology and Microbiology: 6.81× its world share, 6 worksImmunology and Micro…Neuroscience: 0.48× its world share, 1 worksNeurosciencePharmacology, Toxicology and Pharmaceutics: 1.14× its world share, 0 worksPharmacology, Toxico…Chemistry: 0.26× its world share, 0 worksChemistryComputer Science: 0.26× its world share, 2 worksComputer ScienceEarth and Planetary Sciences: 0.72× its world share, 1 worksEarth and Planetary …Engineering: 0.14× its world share, 2 worksEngineeringEnvironmental Science: 3.86× its world share, 16 worksEnvironmental ScienceMaterials Science: 0.21× its world share, 1 worksMaterials ScienceMathematics: 0.11× its world share, 0 worksMathematicsPhysics and Astronomy: 0.01× its world share, 0 worksPhysics and AstronomyHealth Professions: 0.18× its world share, 0 worksHealth ProfessionsMedicine: 1.36× its world share, 22 worksMedicineVeterinary: 63.76× its world share, 7 worksVeterinaryArts and Humanities: 0.32× its world share, 1 worksArts and HumanitiesBusiness, Management and Accounting: 0.08× its world share, 0 worksBusiness, Management…Economics, Econometrics and Finance: 0.07× its world share, 0 worksEconomics, Econometr…Psychology: 2.07× its world share, 5 worksPsychologySocial Sciences: 0.04× its world share, 0 worksSocial Sciences1×world share
more than its size predictsabout as predictedless

Rings at 0.5×, 1× and 2×. Widest outward: Veterinary, 63.8×. Every wedge is a field page.

All 21 fields, with their numbers
  1. Veterinary63.76×7 works
  2. Immunology and Microbiology6.81×6 works
  3. Environmental Science3.86×16 works
  4. Agricultural and Biological Sciences2.69×11 works
  5. Psychology2.07×5 works
  6. Biochemistry, Genetics and Molecular Biology1.86×8 works
  7. Medicine1.36×22 works
  8. Pharmacology, Toxicology and Pharmaceutics1.14×0 works
  9. Earth and Planetary Sciences0.72×1 works
  10. Neuroscience0.48×1 works
  11. Arts and Humanities0.32×1 works
  12. Chemistry0.26×0 works
  13. Computer Science0.26×2 works
  14. Materials Science0.21×1 works
  15. Health Professions0.18×0 works
  16. Engineering0.14×2 works
  17. Mathematics0.11×0 works
  18. Business, Management and Accounting0.08×0 works
  19. Economics, Econometrics and Finance0.07×0 works
  20. Social Sciences0.04×0 works
  21. Physics and Astronomy0.01×0 works

Who are the top researchers at Saint Louis Zoo?

Ranked on the quality score, Sharon L. Deem, Mary K. Agnew and Joel Koenig lead among researchers whose main affiliation is Saint Louis Zoo.

  1. 1 Sharon L. Deem United States · #1,042,661 worldwide 5.8k citations · 215 works
  2. 2 Mary K. Agnew United States · #1,335,458 worldwide 1.1k citations · 21 works
  3. 3 Joel Koenig United States · #2,220,166 worldwide 425 citations · 16 works
  4. 4 David M. C. Powell United States · #2,265,340 worldwide 3.1k citations · 170 works
  5. 5 Joan E. Bauman United States · #2,440,311 worldwide 1.4k citations · 44 works
  6. 6 Kathleen Apakupakul United States · #2,447,165 worldwide 881 citations · 19 works
  7. 7 Cheryl Asa United States · #2,479,762 worldwide 800 citations · 33 works
  8. 8 Randall E. Junge United States · #2,666,737 worldwide 3k citations · 112 works
  9. 9 Val. A. Fynn United States · #2,920,061 worldwide 8 citations · 21 works
  10. 10 Maris Brenn‐White United States · #2,940,608 worldwide 199 citations · 22 works
All ranked researchers at Saint Louis Zoo

What are the most cited papers from Saint Louis Zoo?

The most cited paper from Saint Louis Zoo is "Evolution of Mammals and Their Gut Microbes" (Ruth E. Ley, Micah Hamady, Catherine Lozupone et al., 2008), with 3,862 citations. Next come "The city as a refuge for insect pollinators" (666) and "Integrating Agricultural Landscapes with Biodiversity Conservation in the Mesoamerican Hotspot" (587).

Most cited papers
#PaperReleasedCitations
1 Evolution of Mammals and Their Gut Microbes Ruth E. Ley, Micah Hamady, Catherine Lozupone et al. · Science Open access 22 May 2008 3,862
2 The city as a refuge for insect pollinators Damon M. Hall et al. · Conservation Biology Open access 14 Sep 2016 666
3 Integrating Agricultural Landscapes with Biodiversity Conservation in the Mesoamerican Hotspot Célia A. Harvey, Oliver Komar, Robin L. Chazdon et al. · Conservation Biology Open access Feb 2008 587
4 Beyond Reserves: A Research Agenda for Conserving Biodiversity in Human‐modified Tropical Landscapes Robin L. Chazdon, Célia A. Harvey, Oliver Komar et al. · Biotropica Open access 31 Oct 2008 555
5 Gender inequality in academia: Problems and solutions for women faculty in STEM Bettina J. Casad, Jillian E Franks, Christina E Garasky et al. · Journal of Neuroscience Research Open access 25 Oct 2020 524
All 59 most cited papers, with filters and sorting

Which keywords describe research at Saint Louis Zoo?

By fractional works in 2022-now, weighted toward what it does more of than the world: Population Dynamics, Climate Change, Animal Welfare, Epidemiology, Habitat Selection, Emotional State, Stress Indicators and Trophic Cascades.

▲ more of its work than of the world's◆ about the world's share▼ less than the world's

Size is fractional works in 2022-now in the topics tagged with each word; colour is the word's share of this institution's work against its share of the world's. The 40 words are chosen for being large and distinctive. Each links to the topic it comes from most.

All 40 words, with their numbers
  1. Climate Change10▲ 4.4×27 topics
  2. Epidemiology10▲ 2.9×42 topics
  3. Population Dynamics9▲ 40×9 topics
  4. Animal Welfare6▲ 88×4 topics
  5. Habitat Selection5▲ 88×2 topics
  6. Emotional State5▲ 198×1 topic
  7. Stress Indicators5▲ 198×1 topic
  8. Trophic Cascades5▲ 62×2 topics
  9. Genetic Structure5▲ 76×4 topics
  10. Animal Movement4▲ 106×1 topic
  11. Occupancy Rates4▲ 106×1 topic
  12. Conservation4▲ 12×8 topics
  13. Biodiversity4▲ 5.7×12 topics
  14. Evolution4▲ 16×6 topics
  15. Communication3▲ 12×2 topics
  16. Social Behavior3▲ 64×2 topics
  17. Adaptive Evolution3▲ 63×2 topics
  18. Genetic Variation3▲ 16×2 topics
  19. Intelligence3▲ 85×1 topic
  20. Primates3▲ 183×1 topic
  21. Natural Selection3▲ 61×2 topics
  22. Reproductive Strategies3▲ 85×2 topics
  23. Evolutionary Dynamics3▲ 83×1 topic
  24. Phenotypic Plasticity3▲ 120×1 topic
  25. Social Cognition3▲ 18×3 topics
  26. Molecular Phylogeny3▲ 19×7 topics
  27. Oxytocin3▲ 67×2 topics
  28. Genomic Analysis2▲ 12×3 topics
  29. Animal-Assisted Therapy2▲ 122×1 topic
  30. Dog Domestication2▲ 122×1 topic
  31. Invasive Species2▲ 6.8×12 topics
  32. Genetic Diversity2▲ 6.3×10 topics
  33. Bycatch2▲ 212×1 topic
  34. Marine Turtles2▲ 212×1 topic
  35. Anesthesia2▲ 29×4 topics
  36. Conservation Biology2▲ 20×4 topics
  37. Habitat Fragmentation2▲ 10×4 topics
  38. Cytokines2▲ 6.7×6 topics
  39. Metabolic Rate2▲ 28×2 topics
  40. Avian Malaria1▲ 185×1 topic

Which research topics does Saint Louis Zoo publish most on?

By volume in 2022-now: Animal Behavior and Welfare Studies, Wildlife Ecology and Conservation, Primate Behavior and Ecology and Animal Behavior and Reproduction.

Animal Behavior and Welf…5Animal Behavior and Welfare Studies: 5 fractional worksWildlife Ecology and Conservation: 4 fractional worksPrimate Behavior and Ecology: 3 fractional worksAnimal Behavior and Reproduction: 3 fractional worksHuman-Animal Interaction Studies: 2 fractional worksTurtle Biology and Conse…2Turtle Biology and Conservation: 2 fractional worksBird parasitology and diseases: 1 fractional worksVeterinary Pharmacology and Anesthesia: 1 fractional worksPhysiological and biochemical adaptations: 1 fractional worksCutaneous Melanoma Detection and Management: 1 fractional works
Small AnimalsEcologySocial PsychologyEcology, Evolution, Behavior and Systematics4 others

Area is fractional works; colour is the subfield each topic belongs to.

  1. 1 Animal Behavior and Welfare Studies Small Animals 5 works
  2. 2 Wildlife Ecology and Conservation Ecology 4 works
  3. 3 Primate Behavior and Ecology Social Psychology 3 works
  4. 4 Animal Behavior and Reproduction Ecology, Evolution, Behavior and Systematics 3 works
  5. 5 Human-Animal Interaction Studies Genetics 2 works
  6. 6 Turtle Biology and Conservation Nature and Landscape Conservation 2 works
  7. 7 Bird parasitology and diseases Parasitology 1 works
  8. 8 Veterinary Pharmacology and Anesthesia Small Animals 1 works
  9. 9 Physiological and biochemical adaptations Ecology 1 works
  10. 10 Cutaneous Melanoma Detection and Management Oncology 1 works

How open and international is its research?

Against the world's own shares: the tick on each track. Both are shares of its output, so they sit on one scale and can be read against each other as well as against the world.

openly available26.6%not open73.4%

World: 40% of research is openly available.

with international co-authors16.0%domestic only84.0%

World: 18% is written across borders.

How has Saint Louis Zoo's research output changed?

Output in 2022-2025 was 12% lower than in 2018-2021.

still counting1990200020102020
grewheldshrank

The same series as a ribbon: one cell per year, darker for more. The line above answers how much; this answers when.

Its share of all research

Growing output can still be a shrinking share: all of science grows. This is Saint Louis Zoo as a percentage of every work published that year, 0.00023% in 2024.

still counting0.00050%0.0010%0.0015%Saint Louis Zoo0.00034% in 202519801990200020102020

Fractional works of Saint Louis Zoo over all fractional works that year. How the balance of science has shifted.

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Saint Louis Zoo on Science Explorer

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