Nir Sapir

4.8k total citations · 1 hit paper
86 papers, 2.1k citations indexed

About

Nir Sapir is a scholar working on Ecology, Ecology, Evolution, Behavior and Systematics and Ecological Modeling. According to data from OpenAlex, Nir Sapir has authored 86 papers receiving a total of 2.1k indexed citations (citations by other indexed papers that have themselves been cited), including 71 papers in Ecology, 45 papers in Ecology, Evolution, Behavior and Systematics and 17 papers in Ecological Modeling. Recurrent topics in Nir Sapir's work include Avian ecology and behavior (58 papers), Animal Behavior and Reproduction (34 papers) and Wildlife Ecology and Conservation (21 papers). Nir Sapir is often cited by papers focused on Avian ecology and behavior (58 papers), Animal Behavior and Reproduction (34 papers) and Wildlife Ecology and Conservation (21 papers). Nir Sapir collaborates with scholars based in Israel, United States and Germany. Nir Sapir's co-authors include Martin Wikelski, Ran Nathan, Yosef Kiat, Nir Horvitz, Don R. Reynolds, Jason W. Chapman, Roni Avissar, Suzanne J. Clark, Ka S. Lim and Gao Hu and has published in prestigious journals such as Science, Nature Communications and SHILAP Revista de lepidopterología.

In The Last Decade

Nir Sapir

80 papers receiving 2.1k citations

Hit Papers

align trajectories

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.

Understanding the ecological and evolutionary function of stopover in migrating birds

2022 95 citations Heiko Schmaljohann, Nir Sapir et al. profile →

Peers — A (Enhanced Table)

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

Name	h						Papers	Cites
Nir Sapir Israel	25	1.5k	906	409	348	233	86	2.1k
Olivier Duriez France	30	1.9k 1.3×	807 0.9×	313 0.8×	379 1.1×	305 1.3×	95	2.5k
Thomas J. Benson United States	25	1.7k 1.1×	637 0.7×	358 0.9×	463 1.3×	351 1.5×	137	2.3k
Fränzi Korner‐Nievergelt Switzerland	27	1.6k 1.1×	637 0.7×	585 1.4×	378 1.1×	269 1.2×	85	2.1k
Heiko Schmaljohann Germany	31	2.5k 1.7×	1.3k 1.4×	633 1.5×	381 1.1×	328 1.4×	90	2.8k
Rohan H. Clarke Australia	24	1.3k 0.9×	317 0.3×	509 1.2×	583 1.7×	439 1.9×	120	2.0k
Sidney A. Gauthreaux United States	31	2.3k 1.6×	672 0.7×	623 1.5×	415 1.2×	653 2.8×	61	2.8k
Philip D. Taylor Canada	30	2.6k 1.7×	1.2k 1.3×	660 1.6×	757 2.2×	517 2.2×	88	3.3k
Mark R. Fuller United States	29	2.5k 1.7×	687 0.8×	504 1.2×	569 1.6×	407 1.7×	100	2.9k
Berry Pinshow Israel	33	2.6k 1.8×	1.8k 2.0×	266 0.7×	640 1.8×	312 1.3×	157	3.7k
Johan Bäckman Sweden	26	1.4k 1.0×	836 0.9×	313 0.8×	253 0.7×	226 1.0×	65	1.9k

Countries citing papers authored by Nir Sapir

Since Specialization

Citations

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

Fields of papers citing papers by Nir Sapir

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by Nir Sapir. 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 Nir Sapir. The network helps show where Nir Sapir may publish in the future.

Co-authorship network of co-authors of Nir Sapir

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

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

Efrat, Ron, Yossi Leshem, Roi Dor, et al.. (2025). Using GPS tracking data to validate the conservation value of bird migration counts. Biological Conservation. 302. 110959–110959. 2 indexed citations

Jiguet, Frédéric, Markus Piha, Ron Efrat, et al.. (2025). GNSS spoofing in conflict zones disrupts wildlife tracking and hampers research and conservation efforts. Nature Communications. 16(1). 1199–1199. 3 indexed citations

Hatzofe, Ohad, et al.. (2025). Dispersal and survival of Aquila fasciata (Bonelli’s Eagle) differ across arid, semi-arid, and Mediterranean natal habitats. The Auk. 143(1). 1–15.

Efrat, Ron, et al.. (2025). Age-dependent response to anthropogenic habitat during migration of an endangered raptor. Current Biology. 35(17). 4301–4308.e3.

Sapir, Nir, et al.. (2025). Radar-measured passerine vertical speeds reveal a migratory switch near a major barrier. iScience. 28(2). 111892–111892. 1 indexed citations

Kiat, Yosef, et al.. (2025). The effects of annual cycle stages and life-history traits on feather abrasion. Scientific Reports. 15(1). 28067–28067.

Santos, Carlos D., et al.. (2024). Risk-sensitive response of soaring birds to crosswind over dangerous sea highlights age-specific differences in migratory performance. Proceedings of the Royal Society B Biological Sciences. 291(2023). 20240454–20240454. 1 indexed citations

Efrat, Ron, et al.. (2024). The spatiotemporal properties of artificial feeding schemes influence the post-fledging movement of Egyptian Vultures. Ornithological applications. 126(3). 2 indexed citations

Efrat, Ron, Ohad Hatzofe, Thomas Mueller, Nir Sapir, & Oded Berger‐Tal. (2023). Early and accumulated experience shape migration and flight in Egyptian vultures. Current Biology. 33(24). 5526–5532.e4. 8 indexed citations

10.

Hertel, Anne G., et al.. (2023). Time constraints may pace the ontogeny of movement behaviour. Proceedings of the Royal Society B Biological Sciences. 290(1996). 20222429–20222429. 7 indexed citations

11.

Yovel, Yossi, et al.. (2023). BATScan: A radar classification tool reveals large‐scale bat migration patterns. Methods in Ecology and Evolution. 14(7). 1764–1779. 12 indexed citations

12.

Gancz, Ady Y., et al.. (2023). A telemetry study shows that an endangered nocturnal avian species roosts in extremely dry habitats to avoid predation. Scientific Reports. 13(1). 11888–11888. 1 indexed citations

13.

Kiat, Yosef & Nir Sapir. (2021). Evolutionary trade‐off between male colouration and feather moult extent also indirectly determines female moult. Journal of Evolutionary Biology. 35(2). 278–287. 3 indexed citations

14.

Efrat, Ron, et al.. (2021). Postrelease survival of captive-bred Egyptian Vultures is similar to that of wild-hatched Egyptian Vultures and is not affected by release age or season. Ornithological applications. 124(2). 7 indexed citations

15.

Rotics, Shay, Nir Horvitz, Michael Kaatz, et al.. (2020). Causes and consequences of facultative sea crossing in a soaring migrant. Functional Ecology. 34(4). 840–852. 18 indexed citations

16.

Kiat, Yosef, et al.. (2020). Sequential Molt in a Feathered Dinosaur and Implications for Early Paravian Ecology and Locomotion. Current Biology. 30(18). 3633–3638.e2. 20 indexed citations

17.

Kiat, Yosef, Yoni Vortman, & Nir Sapir. (2019). Feather moult and bird appearance are correlated with global warming over the last 200 years. Nature Communications. 10(1). 2540–2540. 46 indexed citations

18.

Liechti, Félix, Janine Aschwanden, Jan Blew, et al.. (2018). Cross‐calibration of different radar systems for monitoring nocturnal bird migration across Europe and the Near East. Ecography. 42(5). 887–898. 23 indexed citations

19.

Chapman, Jason W., Judy Shamoun‐Baranes, Adriaan M. Dokter, et al.. (2018). The European Network for the Radar surveillance of Animal Movement (ENRAM). EGU General Assembly Conference Abstracts. 12875. 1 indexed citations

20.

Nathan, Ran, Nir Sapir, Ana Trakhtenbrot, et al.. (2005). Long‐distance biological transport processes through the air: can nature's complexity be unfolded in silico?. Diversity and Distributions. 11(2). 131–137. 101 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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