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Topic · Parasitology

Bird parasitology and diseases

Bird parasitology and diseases is a research topic within Parasitology. Science Explorer counts 15k research works in it since 1950. 10.1% of them reached the world's top 10% most cited for their field and year.

This cluster of papers focuses on the study of avian malaria parasites, including Haemoproteus and Plasmodium, in bird hosts. It covers topics such as host specificity, vector-borne diseases, parasite diversity, molecular phylogeny, pathogenic effects on bird populations, interactions with ectoparasites, and the impacts of climate change on the prevalence and distribution of avian malaria.

  • Avian Malaria
  • Haemosporidian Parasites
  • Bird Hosts
  • Vector-borne Diseases
  • Host Specificity
  • Parasite Diversity
  • Molecular Phylogeny
  • Pathogenic Effects
  • Ectoparasites
  • Climate Change Impacts
Research works
15k
fractional, since 1950
In the world top 10%
1.5k
per year above
Top-10% rate
10.1%
share of its works in the world top 10%
Growth, 2018-21 → 2022-25
-4%
the tick is no change
Largest producer
United States
35% of the 10 largest, 2022-now
Bird parasitology and diseases

Which countries lead Bird parasitology and diseases research?

By volume, the United States and Brazil publish the most (438 and 184 works in 2022-now).

By volume, 2022-now

  1. 1 United States 438 works
  2. 2 Brazil 184 works
  3. 3 China 119 works
  4. 4 India 90 works
  5. 5 Spain 88 works
  6. 6 United Kingdom 75 works
  7. 7 Germany 72 works
  8. 8 Russia 66 works
  9. 9 Türkiye 61 works
  10. 10 France 59 works

How concentrated that is

The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.

United States: 34.9%Brazil: 14.7%China: 9.5%India: 7.2%6 others listed: 33.7%35%largest
United States438 · 34.9%Brazil184 · 14.7%China119 · 9.5%India90 · 7.2%6 others listed422 · 33.7%

Shares of the rows listed above, not of the whole node.

Which institutions lead Bird parasitology and diseases research?

By volume in 2022-now, Russian Academy of Sciences publishes the most Bird parasitology and diseases research, followed by Consejo Superior de Investigaciones Científicas and Centre National de la Recherche Scientifique.

By volume, 2022-now

  1. 1 Russian Academy of SciencesRussia 29 works
  2. 2 Consejo Superior de Investigaciones CientíficasSpain 24 works
  3. 3 Centre National de la Recherche ScientifiqueFrance 20 works
  4. 4 University of GeorgiaUnited States 16 works
  5. 5 University of TyumenRussia 15 works
  6. 6 University of California, DavisUnited States 15 works
  7. 7 Consejo Nacional de Investigaciones Científicas y TécnicasArgentina 14 works
  8. 8 Nature Research CentreLithuania 13 works
  9. 9 Universidade Estadual Paulista (Unesp)Brazil 12 works
  10. 10 Chinese Academy of SciencesChina 11 works

Who are the leading researchers in Bird parasitology and diseases?

The most-cited researchers publishing on Bird parasitology and diseases include Simon Iain Hay, George Davey Smith and Didier Raoult.

  1. 1 Simon Iain Hay United States 452k citations
  2. 2 George Davey Smith United Kingdom 435k citations
  3. 3 Didier Raoult France 232k citations

Ranked by citations received across their whole record, among researchers with at least three works on this topic.

What are the most cited papers in Bird parasitology and diseases?

The most cited paper in Bird parasitology and diseases is "Heritable True Fitness and Bright Birds: A Role for Parasites?" (William D. O. Hamilton, Marlene Zuk, 1982), with 3,797 citations. Next come "No evidence that carotenoid pigments boost either immune or antioxidant defenses in a songbird" (1,955) and "Diclofenac residues as the cause of vulture population decline in Pakistan" (1,791).

Most cited papers
#PaperReleasedCitations
1 Heritable True Fitness and Bright Birds: A Role for Parasites? William D. O. Hamilton, Marlene Zuk · Science 22 Oct 1982 3,797
2 No evidence that carotenoid pigments boost either immune or antioxidant defenses in a songbird Rebecca E. Koch, Andreas N. Kavazis, Dennis Hasselquist et al. · Nature Communications Open access 30 Jan 2018 1,955
3 Diclofenac residues as the cause of vulture population decline in Pakistan J. Lindsay Oaks, Martin Gilbert, Munir Z. Virani et al. · Nature 26 Jan 2004 1,791
4 QUANTIFYING PARASITES IN SAMPLES OF HOSTS Lajos Rózsa, Jenő Reiczigel, Gábor Majoros · Journal of Parasitology Apr 2000 1,233
5 A large focus of naturally acquired Plasmodium knowlesi infections in human beings Balbir Bagicha Singh, Lee Kim Sung, Asmad Matusop et al. · The Lancet Mar 2004 1,207
All 100 most cited papers, with filters and sorting

Where is Bird parasitology and diseases research done?

The largest centres of Bird parasitology and diseases research in 2022-now are São Paulo (Brazil), Beijing (China), Madrid (Spain) and Tokyo (Japan).

Largest cities, 2022-now

  1. 1 São PauloBrazil 35 works
  2. 2 BeijingChina 29 works
  3. 3 MadridSpain 25 works
  4. 4 TokyoJapan 19 works
  5. 5 ParisFrance 18 works
  6. 6 AthensUnited States 17 works
  7. 7 MoscowRussia 16 works
  8. 8 TyumenRussia 16 works
  9. 9 Washington D.C.United States 16 works
  10. 10 Saint PetersburgRussia 15 works
See Bird parasitology and diseases on the map

Where is the best place to study Bird parasitology and diseases?

Among universities, judged by research, University of Georgia, Cornell University and University of California, Davis score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.

0%10%20%mean 7.85%fractional works in this field (log) →share of work in the world top 10% →University of GeorgiaCornell UniversityUniversity of Califo…University of Tyumen
above the meannear itbelow it

One dot per university in the first ten of the table below, at the default weights. The upper left is the interesting corner: small places doing unusually strong work.

Excellenceshare of its work in the world top 10%, 2022-now and all time averaged
40%
Specialisationhow much of its work is in this field, counted up to 10× the world share
10%
Sizeits output in this field, on a log scale
30%
Growthoutput growth, counted from -20% to +20%
10%
Internationalshare of its work with a co-author abroad
10%
Each slider sets a weight; the share it gets of the score is beside it.
#UniversityScoreTop 10%SpecialisationWorksGrowth
1University of GeorgiaUnited States 92.017.6%18.4×16 +46.0%
2Cornell UniversityUnited States 73.412.1%4.0×10 +27.6%
3University of California, DavisUnited States 71.27.2%9.4×15 +3.1%
4University of TyumenRussia 49.53.3%106.8×15 +75.0%
5Universidade Federal de Minas GeraisBrazil 43.56.8%6.5×9 +29.3%
6University of FloridaUnited States 39.57.0%4.5×9 -9.9%
7Louisiana State UniversityUnited States 39.44.7%13.7×9 +192.4%
8Adam Mickiewicz University in PoznańPoland 36.16.9%13.3×10 +9.8%
9Universidade Estadual Paulista (Unesp)Brazil 33.35.4%7.2×12 -37.6%
10Universidad Nacional Autónoma de MéxicoMexico 24.67.5%4.4×8 -33.3%

Universities only. The score blends excellence (40%), size (30%), specialisation (10%), growth (10%), international reach (10%), 2022-now; growth compares 2018-21 with 2022-25 and counts up to +20%, since a jump from a small base is mostly noise.

Every institution in Bird parasitology and diseases, country by country

Is Bird parasitology and diseases research growing?

Output in 2022-2025 was 4% lower than in 2018-2021, peaking in 2025.

still counting19801990200020102020
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 Bird parasitology and diseases as a percentage of every work published that year, 0.0077% in 2024.

still counting0.020%0.040%Bird parasitology and diseases0.0093% in 202519801990200020102020

Fractional works of Bird parasitology and diseases over all fractional works that year. How the balance of science has shifted.

How much of it reaches the world top 10%

Year by year.

still counting5%10%15%Bird parasitology and diseases11.7% in 2025200020102020

Of each year's works in it, the share that reached the world's 10% most cited for their field and year. A field is the world for its own topics, so there is no other line to hold it against.

Which topics inside it are moving

Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.

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