Michael J. Ryan

26.2k total citations · 5 hit papers
339 papers, 20.6k citations indexed

About

Michael J. Ryan is a scholar working on Ecology, Evolution, Behavior and Systematics, Developmental Biology and Global and Planetary Change. According to data from OpenAlex, Michael J. Ryan has authored 339 papers receiving a total of 20.6k indexed citations (citations by other indexed papers that have themselves been cited), including 258 papers in Ecology, Evolution, Behavior and Systematics, 180 papers in Developmental Biology and 172 papers in Global and Planetary Change. Recurrent topics in Michael J. Ryan's work include Animal Behavior and Reproduction (229 papers), Animal Vocal Communication and Behavior (180 papers) and Amphibian and Reptile Biology (163 papers). Michael J. Ryan is often cited by papers focused on Animal Behavior and Reproduction (229 papers), Animal Vocal Communication and Behavior (180 papers) and Amphibian and Reptile Biology (163 papers). Michael J. Ryan collaborates with scholars based in United States, Panama and Germany. Michael J. Ryan's co-authors include A. Stanley Rand, Mark Kirkpatrick, Merlin D. Tuttle, Walter Wilczynski, Gil G. Rosenthal, Eliot A. Brenowitz, Rachel A. Page, Reginald B. Cocroft, Ingo Schlupp and Molly R. Morris and has published in prestigious journals such as Nature, Science and Proceedings of the National Academy of Sciences.

In The Last Decade

Michael J. Ryan

332 papers receiving 19.5k citations

Hit Papers

align trajectories sort by overperformance

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.

The evolution of mating preferences and the paradox of the lek

1991 1.1k citations Michael J. Ryan et al. profile →
Correction: Corrigendum: The oldest North American pachycephalosaurid and the hidden diversity of small-bodied ornithischian dinosaurs

2014 890 citations David C. Evans, Michael J. Ryan et al. profile →
Directional Patterns of Female Mate Choice and the Role of Sensory Biases

1992 564 citations Michael J. Ryan et al. profile →
The Role of Body Size, Phylogeny, and Ambient Noise in the Evolution of Bird Song

1985 545 citations Michael J. Ryan et al. profile →
The Tungara Frog: A Study in Sexual Selection and Communication

1985 441 citations Michael J. Ryan profile →

Author Peers

Peers are selected by citation overlap in the author's most active subfields. citations · hero ref

Author						Papers	Cites
Michael J. Ryan	15.5k	7.5k	7.4k	3.7k	3.7k	339	20.6k
Daniel T. Blumstein	14.1k 0.9×	3.6k 0.5×	5.3k 0.7×	2.8k 0.8×	13.3k 3.6×	495	24.4k
John C. Wingfield	28.7k 1.9×	4.6k 0.6×	5.8k 0.8×	3.6k 1.0×	21.1k 5.8×	480	42.3k
Niels J. Dingemanse	13.3k 0.9×	2.9k 0.4×	1.6k 0.2×	3.1k 0.8×	6.7k 1.8×	166	17.3k
John A. Endler	18.8k 1.2×	6.5k 0.9×	1.7k 0.2×	8.9k 2.4×	8.4k 2.3×	186	28.5k
Malte Andersson	11.7k 0.8×	2.2k 0.3×	1.6k 0.2×	3.6k 1.0×	6.4k 1.8×	97	15.1k
A. Stanley Rand	6.8k 0.4×	5.6k 0.7×	2.9k 0.4×	1.6k 0.4×	2.4k 0.7×	154	10.4k
Bart Kempenaers	10.9k 0.7×	1.6k 0.2×	2.0k 0.3×	3.1k 0.8×	7.9k 2.2×	343	14.7k
Anders Pape Møller	31.3k 2.0×	6.5k 0.9×	3.7k 0.5×	7.2k 1.9×	28.6k 7.8×	863	52.4k
Andrew Sih	20.8k 1.3×	9.1k 1.2×	1.5k 0.2×	6.5k 1.8×	14.9k 4.1×	277	35.0k
Michael D. Jennions	12.6k 0.8×	2.7k 0.4×	845 0.1×	5.6k 1.5×	4.5k 1.2×	244	18.7k

Countries citing papers authored by Michael J. Ryan

Since Specialization

Citations

This map shows the geographic impact of Michael J. Ryan'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 Michael J. Ryan with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Michael J. Ryan more than expected).

Fields of papers citing papers by Michael J. Ryan

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Michael J. Ryan. 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 Michael J. Ryan. The network helps show where Michael J. Ryan may publish in the future.

Co-authorship network of co-authors of Michael J. Ryan

This figure shows the co-authorship network connecting the top 25 collaborators of Michael J. Ryan. A scholar is included among the top collaborators of Michael J. Ryan 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 Michael J. Ryan. Michael J. Ryan is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

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20 of 20 papers shown

Berbel‐Filho, Waldir M., et al.. (2025). Converging or diverging? Shape coevolution between a sperm-dependent asexual and its sexual hosts. Proceedings of the Royal Society B Biological Sciences. 292(2050). 20250432–20250432. 1 indexed citations

O’Mara, M. Teague, et al.. (2025). The ontogeny of decision-making in an eavesdropping predator. Proceedings of the Royal Society B Biological Sciences. 292(2045). 20250450–20250450. 1 indexed citations

Ryan, Michael J., et al.. (2025). Physics-informed machine learning surrogate for scalable simulation of thermal histories during wire-arc directed energy deposition. Additive Manufacturing Letters. 15. 100327–100327. 1 indexed citations

Cullen, Thomas M., et al.. (2024). MULTI-PROXY PALEOENVIRONMENTAL AND PALEOECOLOGICAL RECONSTRUCTION OF THE FOREMOST FORMATION (UPPER CRETACEOUS, CAMPANIAN) OF ALBERTA. Palaios. 39(12). 425–443. 2 indexed citations

Ryan, Michael J., et al.. (2024). Rapid foraging risk assessments in the Jamaican fruit bat, Artibeus jamaicensis. Animal Behaviour. 216. 45–53. 1 indexed citations

Baugh, Alexander T., Marcos Gridi‐Papp, & Michael J. Ryan. (2017). A laryngeal fibrous mass impacts the acoustics and attractiveness of a multicomponent call in túngara frogs (Physalaemus pustulosus). Bioacoustics. 27(3). 231–243. 7 indexed citations

Gomes, Dylan, Rachel A. Page, Inga Geipel, et al.. (2016). Bats perceptually weight prey cues across sensory systems when hunting in noise. Science. 353(6305). 1277–1280. 84 indexed citations

Baugh, Alexander T., Michael J. Ryan, Ximena E. Bernal, A. Stanley Rand, & Mark A. Bee. (2015). Female túngara frogs do not experience the continuity illusion.. Behavioral Neuroscience. 130(1). 62–74. 2 indexed citations

Baugh, Alexander T., Kim L. Hoke, & Michael J. Ryan. (2012). Development of Communication Behaviour: Receiver Ontogeny in Túngara Frogs and a Prospectus for a Behavioural Evolutionary Development. The Scientific World JOURNAL. 2012. 1–10. 8 indexed citations

10.

O’Connell, Lauren A., Julia Ding, Michael J. Ryan, & Hans A. Hofmann. (2011). Neural distribution of the nuclear progesterone receptor in the túngara frog, Physalaemus pustulosus. Journal of Chemical Neuroanatomy. 41(3). 137–147. 10 indexed citations

11.

Baugh, Alexander T. & Michael J. Ryan. (2010). The development of sexual behavior in túngara frogs (Physalaemus pustulosus).. Journal of comparative psychology. 124(1). 66–80. 24 indexed citations

12.

O’Connell, Lauren A., Bryan J. Matthews, Michael J. Ryan, & Hans A. Hofmann. (2010). Characterization of the Dopamine System in the Brain of the Túngara Frog, <i>Physalaemus pustulosus</i>. Brain Behavior and Evolution. 76(3-4). 211–225. 18 indexed citations

13.

Funk, W. Chris, et al.. (2006). Sexual selection drives speciation in an Amazonian frog. Proceedings of the Royal Society B Biological Sciences. 274(1608). 399–406. 185 indexed citations

14.

Cummings, Molly E., et al.. (2006). Is UV Ornamentation an Amplifier in Swordtails?. Zebrafish. 3(1). 91–100. 14 indexed citations

15.

Ryan, Michael J., et al.. (2004). Learned Social Preference in Zebrafish. Current Biology. 14(10). 881–884. 251 indexed citations

16.

Douglas, George W. & Michael J. Ryan. (1999). Status of the Golden Paintbrush, Castilleja levisecta (Scrophulariceae) in Canada. The Canadian Field-Naturalist. 113(2). 299–300. 1 indexed citations

17.

Douglas, George W. & Michael J. Ryan. (1998). Status of the Yellow Montane Violet, Viola praemorsa ssp. praemorsa (Violaceae) in Canada. The Canadian Field-Naturalist. 112(3). 491–495. 1 indexed citations

18.

Wilczynski, Walter, et al.. (1998). Intraspecific variation in laryngeal and ear morphology in male cricket frogs (Acris crepitans). Biological Journal of the Linnean Society. 63(1). 51–67. 32 indexed citations

19.

Schlupp, Ingo, Catherine A. Marler, & Michael J. Ryan. (1994). Benefit to Male Sailfin Mollies of Mating with Heterospecific Females. Science. 263(5145). 373–374. 203 indexed citations

20.

Ryan, Michael J.. (1982). Achieving Correspondence Among Cognitive Processes and Physiological Measures. ACR North American Advances. 2 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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