Robert E. Hegner

4.2k total citations · 2 hit papers
19 papers, 3.3k citations indexed

About

Robert E. Hegner is a scholar working on Ecology, Evolution, Behavior and Systematics, Ecology and Parasitology. According to data from OpenAlex, Robert E. Hegner has authored 19 papers receiving a total of 3.3k indexed citations (citations by other indexed papers that have themselves been cited), including 15 papers in Ecology, Evolution, Behavior and Systematics, 11 papers in Ecology and 5 papers in Parasitology. Recurrent topics in Robert E. Hegner's work include Animal Behavior and Reproduction (14 papers), Avian ecology and behavior (10 papers) and Plant and animal studies (8 papers). Robert E. Hegner is often cited by papers focused on Animal Behavior and Reproduction (14 papers), Avian ecology and behavior (10 papers) and Plant and animal studies (8 papers). Robert E. Hegner collaborates with scholars based in United States, United Kingdom and Kenya. Robert E. Hegner's co-authors include John C. Wingfield, Gregory F. Ball, Alfred M. Dufty, Marilyn Ramenofsky, Dale M. Lewis, Stephen T. Emlen, Natalie J. Demong, Peter H. Wrege, J. R. Krebs and M. I. Avery and has published in prestigious journals such as Nature, The American Naturalist and Animal Behaviour.

In The Last Decade

Robert E. Hegner

19 papers receiving 3.1k citations

Hit Papers

The "Challenge Hypothesis": Theoretical Implications for ... 1987 2026 2000 2013 1990 1987 500 1000 1.5k
What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

  1. The "Challenge Hypothesis": Theoretical Implications for Patterns of Testosterone Secretion, Mating Systems, and Breeding Strategies
    1990 1.7k citations John C. Wingfield, Robert E. Hegner et al. The American Naturalist profile →
  2. Testosterone and Aggression in Birds
    1987 415 citations John C. Wingfield, Gregory F. Ball et al. American Scientist profile →

Peers — A (Enhanced Table)

Peers by citation overlap · career bar shows stage (early→late) cites · hero ref

Name h Career Trend Papers Cites
Robert E. Hegner United States 15 2.6k 1.3k 723 638 495 19 3.3k
Alfred M. Dufty United States 27 3.2k 1.2× 2.0k 1.5× 899 1.2× 694 1.1× 1.0k 2.1× 53 4.6k
Nancy Tyler Burley United States 33 3.9k 1.5× 2.2k 1.6× 328 0.5× 545 0.9× 707 1.4× 62 4.8k
Douglas W. Mock United States 33 2.9k 1.1× 2.4k 1.8× 315 0.4× 308 0.5× 367 0.7× 67 3.8k
Piet J. Drent Netherlands 19 4.1k 1.6× 2.1k 1.5× 955 1.3× 420 0.7× 723 1.5× 20 4.8k
Nick J. Royle United Kingdom 33 2.6k 1.0× 1.5k 1.1× 414 0.6× 342 0.5× 331 0.7× 64 3.7k
Indriķis Krams Latvia 41 2.3k 0.9× 1.5k 1.1× 412 0.6× 636 1.0× 676 1.4× 153 4.3k
Eberhard Curio Germany 26 2.5k 0.9× 2.0k 1.5× 467 0.6× 141 0.2× 850 1.7× 94 3.3k
Patricia Adair Gowaty United States 39 2.7k 1.0× 1.6k 1.2× 436 0.6× 689 1.1× 193 0.4× 93 4.2k
Gerald Borgia United States 37 3.0k 1.1× 1.1k 0.8× 310 0.4× 274 0.4× 641 1.3× 69 3.5k
J. David Ligon United States 37 3.3k 1.2× 2.4k 1.8× 317 0.4× 261 0.4× 341 0.7× 76 4.5k

Countries citing papers authored by Robert E. Hegner

Since Specialization
Citations

This map shows the geographic impact of Robert E. Hegner's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by Robert E. Hegner with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Robert E. Hegner more than expected).

Fields of papers citing papers by Robert E. Hegner

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Robert E. Hegner. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by Robert E. Hegner. The network helps show where Robert E. Hegner may publish in the future.

Co-authorship network of co-authors of Robert E. Hegner

This figure shows the co-authorship network connecting the top 25 collaborators of Robert E. Hegner. A scholar is included among the top collaborators of Robert E. Hegner based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with Robert E. Hegner. Robert E. Hegner is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

19 of 19 papers shown
1.
Wingfield, John C., Marilyn Ramenofsky, Robert E. Hegner, & Gregory F. Ball. (2019). Whither the challenge hypothesis?. Hormones and Behavior. 123. 104588–104588. 19 indexed citations
2.
Emlen, Stephen T., Peter H. Wrege, Natalie J. Demong, & Robert E. Hegner. (1991). Flexible Growth Rates in Nestling White-Fronted Bee-Eaters: A Possible Adaptation to Short-Term Food Shortage. Ornithological Applications. 93(3). 591–597. 68 indexed citations
3.
Wingfield, John C., Robert E. Hegner, & Dale M. Lewis. (1991). Circulating levels of luteinizing hormone and steroid hormones in relation to social status in the cooperatively breeding white‐browed sparrow weaver, Plocepasser mahali. Journal of Zoology. 225(1). 43–58. 195 indexed citations
4.
Wingfield, John C., Robert E. Hegner, Alfred M. Dufty, & Gregory F. Ball. (1990). The "Challenge Hypothesis": Theoretical Implications for Patterns of Testosterone Secretion, Mating Systems, and Breeding Strategies. The American Naturalist. 136(6). 829–846. 1740 indexed citations breakdown →
5.
Wingfield, John C., Gregory F. Ball, Alfred M. Dufty, Robert E. Hegner, & Marilyn Ramenofsky. (1987). Testosterone and Aggression in Birds. American Scientist. 75(6). 602–608. 415 indexed citations breakdown →
6.
Hegner, Robert E. & John C. Wingfield. (1987). Effects of Experimental Manipulation of Testosterone Levels on Parental Investment and Breeding Success in Male House Sparrows. The Auk. 104(3). 462–469. 280 indexed citations
7.
Hegner, Robert E. & John C. Wingfield. (1987). Social Status and Circulating Levels of Hormones in Flocks of House Sparrows, Passer domesticus. Ethology. 76(1). 1–14. 58 indexed citations
8.
Hegner, Robert E. & Stephen T. Emlen. (1987). Territorial Organization of the White Fronted Bee‐eater in Kenya. Ethology. 76(3). 189–222. 36 indexed citations
9.
Hegner, Robert E. & John C. Wingfield. (1987). Effects of Brood-Size Manipulations on Parental Investment, Breeding Success, and Reproductive Endocrinology of House Sparrows. The Auk. 104(3). 470–480. 108 indexed citations
10.
Hegner, Robert E. & John C. Wingfield. (1986). Behavioral and endocrine correlates of multiple brooding in the semicolonial house sparrow Passer domesticus II. Females. Hormones and Behavior. 20(3). 313–326. 106 indexed citations
11.
Hegner, Robert E. & John C. Wingfield. (1986). Behavioral and endocrine correlates of multiple brooding in the semicolonial house sparrow Passer domesticus I. Males. Hormones and Behavior. 20(3). 294–312. 66 indexed citations
12.
Hegner, Robert E. & John C. Wingfield. (1986). Gonadal Development during Autumn and Winter in House Sparrows. Ornithological Applications. 88(3). 269–278. 36 indexed citations
13.
Hegner, Robert E.. (1985). Dominance and anti-predator behaviour in blue tits (Parus caeruleus). Animal Behaviour. 33(3). 762–768. 102 indexed citations
14.
Avery, M. I., J. R. Krebs, & Robert E. Hegner. (1984). A Case of Bigamy in the European Bee-Eater (Merops apiaster). The Auk. 101(3). 609–610. 3 indexed citations
15.
Hegner, Robert E. & John C. Wingfield. (1984). Social facilitation of gonadal recrudescence. Journal of Steroid Biochemistry. 20(6). 1549–1549. 5 indexed citations
16.
Hegner, Robert E., Stephen T. Emlen, & Natalie J. Demong. (1982). Spatial organization of the white-fronted bee-eater. Nature. 298(5871). 264–266. 23 indexed citations
17.
Hegner, Robert E.. (1982). Central place foraging in the white-fronted bee-eater. Animal Behaviour. 30(4). 953–963. 32 indexed citations
18.
Hegner, Robert E.. (1981). Territoriality, foraging behavior, and breeding energetics of the white fronted bee-eater (merops bullockoides) in Kenya. University Microfilms International eBooks. 3 indexed citations
19.
Hegner, Robert E., et al.. (1979). Helpers at the nest in the white-fronted bee-eater. Biodiversity Heritage Library (Smithsonian Institution). 1 indexed citations

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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