|Born||Ernst Walter Mayr
July 5, 1904
|Died||February 3, 2005
Bedford, Massachusetts, United States
|Fields||systematics, Evolutionary biology, ornithology, philosophy of biology|
|Doctoral students||Robert Trivers|
|Notable awards||Leidy Award (1946)
Darwin-Wallace Medal (Silver, 1958)
Daniel Giraud Elliot Medal (1967)
National Medal of Science (1969)
Linnean Medal (1977)
Balzan Prize (1983)
International Prize for Biology (1994)
Crafoord Prize (1999)
Ernst Walter Mayr (//; July 5, 1904 – February 3, 2005) was one of the 20th century's leading evolutionary biologists. He was also a renowned taxonomist, tropical explorer, ornithologist, and historian of science. His work contributed to the conceptual revolution that led to the modern evolutionary synthesis of Mendelian genetics, systematics, and Darwinian evolution, and to the development of the biological species concept.
Although Charles Darwin and others posited that multiple species could evolve from a single common ancestor, the mechanism by which this occurred was not understood, creating the species problem. Ernst Mayr approached the problem with a new definition for species. In his book Systematics and the Origin of Species (1942) he wrote that a species is not just a group of morphologically similar individuals, but a group that can breed only among themselves, excluding all others. When populations within a species become isolated by geography, feeding strategy, mate selection, or other means, they may start to differ from other populations through genetic drift and natural selection, and over time may evolve into new species. The most significant and rapid genetic reorganization occurs in extremely small populations that have been isolated (as on islands).
His theory of peripatric speciation (a more precise form of allopatric speciation which he advanced), based on his work on birds, is still considered a leading mode of speciation, and was the theoretical underpinning for the theory of punctuated equilibrium, proposed by Niles Eldredge and Stephen Jay Gould. Mayr is sometimes credited with inventing modern philosophy of biology, particularly the part related to evolutionary biology, which he distinguished from physics due to its introduction of (natural) history into science.
Mayr was the second son of Helene Pusinelli and Dr. Otto Mayr. His father was a jurist (District Prosecuting Attorney at Würzburg) but took an interest in natural history and took the children out on field trips. He learnt all the local birds in Würzburg from his elder brother Otto. He also had access to a natural history magazine for amateurs, Kosmos. His father died just before he was thirteen. The family then moved to Dresden and he studied at the Staatsgymnasium (“Royal Gymnasium” until 1918) in Dresden-Neustadt and completed his high school education there. In April 1922, while still in high school, he joined the newly founded Saxony Ornithologists’ Association. Here he met Rudolf Zimmermann, who became his ornithological mentor. In February 1923, Mayr passed his high school examination (Abitur) and his mother rewarded him with a pair of binoculars.
On March 23, 1923 on the lakes of Moritzburg, the Frauenteich, he spotted what he identified as a Red-crested Pochard. The species had not been seen in Saxony since 1845 and the local club argued about the identity. Raimund Schelcher (1891–1979) of the club then suggested that Mayr visit his classmate Erwin Stresemann on his way to Greifswald, where Mayr was to begin his medical studies. After a tough interrogation, Stresemann accepted and published the sighting as authentic. Stresemann was very impressed and suggested that, between semesters, Mayr could work as a volunteer in the ornithological section of the museum. Mayr wrote about this event, "It was as if someone had given me the key to heaven." He entered the University of Greifswald in 1923 and, according to Mayr himself, "took the medical curriculum (to satisfy a family tradition) but after only a year, he decided to leave medicine and enrolled at the Faculty of Biological Sciences." Mayr was endlessly interested in ornithology and "chose Greifswald at the Baltic for my studies for no other reason than that...it was situated in the ornithologically most interesting area." Although he ostensibly planned to become a physician, he was "first and foremost an ornithologist." During the first semester break Stresemann gave him a test to identify treecreepers and Mayr was able to identify most of the specimens correctly. Stresemann declared that Mayr 'was a born systematist'. In 1925 Stresemann suggested that he give up his medical studies, in fact he leaves faculty of medicine and enroll into faculty of Biology and then join the Berlin Museum with the prospect of bird-collecting trips to the tropics on the condition that he completed his doctoral studies in 16 months. Mayr completed his doctorate in ornithology at the University of Berlin under Dr. Carl Zimmer, who was a full professor (Ordentlicher Professor), on June 24, 1926 at the age of 21. On July 1 he accepted the position offered to him at the Museum for a monthly salary of 330.54 Reichsmark.
At the International Zoological Congress at Budapest in 1927, Mayr was introduced by Stresemann to banker and naturalist Walter Rothschild, who asked him to undertake an expedition to New Guinea on behalf of himself and the American Museum of Natural History in New York. In New Guinea, Mayr collected several thousand bird skins (he named 26 new bird species during his lifetime) and, in the process also named 38 new orchid species. During his stay in New Guinea, he was invited to accompany the Whitney South Seas Expedition to the Solomon Islands. Also, while in New Guinea, he visited the Lutheran missionaries Otto Thiele and Christian Keyser, in the Finschhafen district; there, while in conversation with his hosts, he uncovered the discrepancies in Hermann Detzner's popular book, Four Years among the Cannibals in German Guinea from 1914 to the Truce, in which Detzner claimed to have seen the interior, discovered several species of flora and fauna, while remaining only steps ahead of the Australian patrols sent to capture him.
He returned to Germany in 1930 and in 1931 he accepted a curatorial position at the American Museum of Natural History, where he played the important role of brokering and acquiring the Walter Rothschild collection of bird skins, which was being sold in order to pay off a blackmailer. During his time at the museum he produced numerous publications on bird taxonomy, and in 1942 his first book, Systematics and the Origin of Species, which completed the evolutionary synthesis started by Darwin.
After Mayr was appointed at the American Museum of Natural History, he influenced American ornithological research by mentoring young birdwatchers. Mayr was surprised at the differences between American and German birding societies. He noted that the German society was "far more scientific, far more interested in life histories and breeding bird species, as well as in reports on recent literature."
Mayr organized a monthly seminar under the auspices of the Linnean Society of New York. Under the influence of J. A. Allen, Frank Chapman, and Jonathan Dwight, the society concentrated on taxonomy and later became a clearing house for bird banding and sight records.
Mayr encouraged his Linnaean Society seminar participants to take up a specific research project of their own. Under Mayr's influence one of them, Joseph Hickey, went on to write A Guide to Birdwatching (1943). Hickey remembered later, "Mayr was our age and invited on all our field trips. The heckling of this German foreigner was tremendous, but he gave tit for tat, and any modern picture of Dr E. Mayr as a very formal person does not square with my memory of the 1930s. He held his own." A group of eight young birdwatchers from The Bronx later became the Bronx County Bird Club, led by Ludlow Griscom. "Everyone should have a problem" was the way one Bronx County Bird Club member recalled Mayr's refrain.
Mayr said of his own involvement with the local birdwatchers: "In those early years in New York when I was a stranger in a big city, it was the companionship and later friendship which I was offered in the Linnean Society that was the most important thing in my life."
Mayr also greatly influenced the American ornithologist Margaret Morse Nice. Mayr encouraged her to correspond with European ornithologists and helped her in her landmark study on song sparrows. Nice wrote to Joseph Grinnell in 1932, trying to get foreign literature reviewed in the Condor: "Too many American ornithologists have despised the study of the living bird; the magazines and books that deal with the subject abound in careless statements, anthropomorphic interpretations, repetition of ancient errors, and sweeping conclusions from a pitiful array of facts. ... in Europe the study of the living bird is taken seriously. We could learn a great deal from their writing." Mayr ensured that Nice could publish her two-volume Studies in the Life History of the Song Sparrow. He found her a publisher, and her book was reviewed by Aldo Leopold, Joseph Grinnell, and Jean Delacour. Nice dedicated her book to "My Friend Ernst Mayr."
Mayr joined the faculty of Harvard University in 1953, where he also served as director of the Museum of Comparative Zoology from 1961 to 1970. He retired in 1975 as emeritus professor of zoology, showered with honors. Following his retirement, he went on to publish more than 200 articles, in a variety of journals—more than some reputable scientists publish in their entire careers; 14 of his 25 books were published after he was 65. Even as a centenarian, he continued to write books. On his 100th birthday, he was interviewed by Scientific American magazine. Mayr died on 3 February 2005 in his retirement home in Bedford, Massachusetts after a short illness. His wife, Margarete, died in 1990. He was survived by two daughters, five grandchildren and 10 great-grandchildren.
The awards that Mayr received include the National Medal of Science, the Balzan Prize, the Sarton Medal of the History of Science Society, the International Prize for Biology, the Loye and Alden Miller Research Award, and the Lewis Thomas Prize for Writing about Science. In 1939 he was elected a Corresponding Member of the Royal Australasian Ornithologists Union. He was awarded the 1946 Leidy Award from the Academy of Natural Sciences of Philadelphia. He was awarded the Linnean Society of London's prestigious Darwin-Wallace Medal in 1958 and the Linnaean Society of New York's inaugural Eisenmann Medal in 1983. For his work, Animal Species and Evolution, he was awarded the Daniel Giraud Elliot Medal from the National Academy of Sciences in 1967. In 1995 he received the Benjamin Franklin Medal for Distinguished Achievement in the Sciences of the American Philosophical Society. Mayr never won a Nobel Prize, but he noted that there is no prize for evolutionary biology and that Darwin would not have received one, either. (In fact, there is no Nobel Prize for biology.) Mayr did win a 1999 Crafoord Prize. It honors basic research in fields that do not qualify for Nobel Prizes and is administered by the same organization as the Nobel Prize.
Mayr was co-author of six global reviews of bird species new to science (listed below).
Mayr said he was an atheist towards "the idea of a personal God" because "there is nothing that supports [it]" 
As a traditionally trained biologist with little mathematical experience, Mayr was often highly critical of early mathematical approaches to evolution such as those of J.B.S. Haldane, famously calling such approaches "beanbag genetics" in 1959. He maintained that factors such as reproductive isolation had to be taken into account. In a similar fashion, Mayr was also quite critical of molecular evolutionary studies such as those of Carl Woese.
In many of his writings, Mayr rejected reductionism in evolutionary biology, arguing that evolutionary pressures act on the whole organism, not on single genes, and that genes can have different effects depending on the other genes present. He advocated a study of the whole genome rather than of isolated genes only. Current molecular studies in evolution and speciation indicate that although allopatric speciation seems to be the norm in groups (such as in many invertebrates—especially in the insects), there are numerous cases of sympatric speciation in groups with greater mobility (such as the birds).
After articulating the biological species concept in 1942, Mayr played a central role in the species problem debate over what was the best species concept. He staunchly defended the biological species concept against the many definitions of "species" that others proposed.
Mayr was an outspoken defender of the scientific method, and one known to sharply critique science on the edge. As a notable example, in 1995, he criticized the Search for Extra-Terrestrial Intelligence (SETI) as conducted by fellow Harvard professor Paul Horowitz as being a waste of university and student resources, for its inability to address and answer a scientific question. Carl Sagan provided a strong rebuttal to the criticism, and pointed out that many eminent biologists and biochemists had endorsed SETI with the statement:
We are unanimous in our conviction that the only significant test of the existence of extraterrestrial intelligence is an experimental one. No a priori arguments on this subject can be compelling or should be used as a substitute for an observational program. We urge the organization of a coordinated, worldwide, and systematic search for extraterrestrial intelligence.
The funny thing is if in England, you ask a man in the street who the greatest living Darwinian is, he will say Richard Dawkins. And indeed, Dawkins has done a marvelous job of popularizing Darwinism. But Dawkins' basic theory of the gene being the object of evolution is totally non-Darwinian. I would not call him the greatest Darwinian.—Ernst Mayr, Edge
The idea that a few people have about the gene being the target of selection is completely impractical; a gene is never visible to natural selection, and in the genotype, it is always in the context with other genes, and the interaction with those other genes make a particular gene either more favorable or less favorable. In fact, Dobzhansky, for instance, worked quite a bit on so-called lethal chromosomes which are highly successful in one combination, and lethal in another. Therefore people like Dawkins in England who still think the gene is the target of selection are evidently wrong. In the 30s and 40s, it was widely accepted that genes were the target of selection, because that was the only way they could be made accessible to mathematics, but now we know that it is really the whole genotype of the individual, not the gene. Except for that slight revision, the basic Darwinian theory hasn't changed in the last 50 years.—Ernst Mayr, Edge
- Mayr, Ernst (1942). Systematics and the Origin of Species, from the Viewpoint of a Zoologist. Cambridge: Harvard University Press. ISBN 0-674-86250-3.
- Mayr, Ernst (1945). Birds of the Southwest Pacific: A Field Guide to the Birds of the Area Between Samoa, New Caledonia, and Micronesia. New York: Macmillan.
- Mayr, Ernst (1963). Animal Species and Evolution. Cambridge: Belknap Press of Harvard University Press. ISBN 0-674-03750-2.
- Mayr, Ernst (1970). Populations, Species, and Evolution. Cambridge: Belknap Press of Harvard University Press. ISBN 0-674-69013-3.
- Mayr, Ernst (1976). Evolution and the Diversity of Life. Cambridge: Belknap Press of Harvard University Press. ISBN 0-674-27105-X.
- Mayr, Ernst. & William B. Provine, (eds) (1980). The Evolutionary Synthesis: Perspectives on the Unification of Biology, ISBN 0-674-27225-0
- Mayr, Ernst (1982). The Growth of Biological Thought. Cambridge (Mass.): Belknap P. of Harvard U.P. ISBN 0-674-36446-5.
- Mayr, Ernst (1988). Toward a New Philosophy of Biology. Cambridge: Harvard University Press. ISBN 0-674-89666-1.
- Mayr, Ernst (1991). Principles of Systematic Zoology. New York: McGraw-Hill. ISBN 0-07-041144-1.
- Mayr, Ernst (1991). One Long Argument. Cambridge: Harvard University Press. ISBN 0-674-63906-5.
- Mayr, Ernst (1997). This Is Biology. Cambridge: Belknap Press of Harvard University Press. ISBN 0-674-88469-8.
- Mayr, Ernst (2001). The Birds of Northern Melanesia. Oxford Oxfordshire: Oxford University Press. ISBN 0-19-514170-9.
- Mayr, Ernst (2001). What Evolution Is. New York: Basic Books. ISBN 0-465-04426-3.
- Mayr, Ernst (2004). What Makes Biology Unique?. Cambridge: Cambridge University Press. ISBN 0-521-84114-3.
Global reviews of species new to science
- Zimmer, J. T.; Mayr, E. (1943). "New Species of Birds Described from 1938 to 1941". The Auk 60 (2): 249–262. doi:10.2307/4079651. JSTOR 4079651.
- Mayr, E. (1957). "New species of birds described from 1941 to 1955". Journal of Ornithology 98: 22–08. doi:10.1007/BF01677166.
- Mayr, E. (1971). "New species of birds described from 1956 to 1965". Journal of Ornithology 112 (3): 302–316. doi:10.1007/BF01640689.
- Mayr, E.; Vuilleumier, F. (1983). "New species of birds described from 1966 to 1975". Journal of Ornithology 124 (3): 217. doi:10.1007/BF01640607.
- Vuilleumier, F.; Mayr, E. (1987). "New species of birds described from 1976 to 1980". Journal für Ornithologie 128 (2): 137. doi:10.1007/BF01661691.
- Vuilleumier, François, Mary LeCroy & Ernst Mayr (1992) New species of birds described from 1981 to 1990 Bulletin of the British Ornithologists' Club Vol. 112A pp. 267–309
Other notable publications
- 1923 "Die Kolbenente (Nyroca rufina) auf dem Durchzuge in Sachsen". Ornithologische Monatsberichte 31:135–136
- 1923 "Der Zwergfliegenschnäpper bei Greifswald". Ornithologische Monatsberichte 31:136
- 1926 "Die Ausbreitung des Girlitz (Serinus canaria serinus L.) Ein Beitrag zur Tiergeographie". J. für Ornithologie 74:571–671
- 1927 "Die Schneefinken (Gattungen Montifringilla und Leucosticte)" J. für Ornithologie 75:596–619
- 1929 with W Meise. Zeitschriftenverzeichnis des Museums für Naturkunde Mitteilungen aus dem Zoologischen Museum in Berlin 14:1–187
- 1930 (by Ernst Hartert) "List of birds collected by Ernst Mayr". Ornithologische Monatsberichte 36:27–128
- 1930 "My Dutch New Guinea Expedition". 1928. Ornithologische Monatsberichte 36:20–26
- 1931 Die Vögel des Saruwaged und Herzoggebirges (NO Neuginea) Mitteilungen aus dem Zoologischen Museum in Berlin 17:639–723
- 1931 "Birds collected during the Whitney South Sea Expedition. XII Notes on Halcyon chloris and some of its subspecies". American Museum Novitates no 469
- 1932 "A tenderfoot explorer in New Guinea" Natural History 32:83–97
- 1935 "Bernard Altum and the territory theory". Proceedings of the Linnaean Society of New York 45, 46:24–38
- 1940 "Speciation phenomena in birds". American Naturalist 74:249–278
- 1941 "Borders and subdivision of the Polynesian region as based on our knowledge of the distribution of birds". Proceedings of the 6th Pacific Scientific Congress 4:191–195
- 1941 "The origin and history of the bird fauna of Polynesia". Proceedings of the 6th Pacific Scientific Congress 4:197–216
- 1943 "A journey to the Solomons". Natural History 52:30–37,48
- 1944 "Wallace's Line in the light of recent zoogeographics studies". Quarterly Review of Biology 19:1–14
- 1944 "The birds of Timor and Sumba". Bulletin of the American Museum of Natural History 83:123–194
- 1944 "Timor and the colonization of Australia by birds". Emu 44:113–130
- 1946 "History of the North American bird fauna" Wilson Bulletin 58:3–41
- 1946 "The naturalist in Leidy's time and today". Proceedings of the Academy of Natural Sciences of Philadelphia 98:271–276
- 1947 "Ecological factors in speciation". Evolution 1:263–288
- 1948 "The new Sanford Hall". Natural History 57:248–254
- 1950 The role of the antennae in the mating behavior of female Drosophila. Evolution 4:149–154
- 1951 Introduction and Conclusion. Pages 85,255–258 in The problem of land connections across the South Atlantic with special reference to the Mesozoic. Bulletin of the American Museum of Natural History 99:79–258
- 1951 with Dean Amadon, "A classification of recent birds". American Museum Novitates no. 1496
- 1953 with E G Linsley and R L Usinger. Methods and Principles of Systematica Zoology. McGraw-Hill, New York.
- 1954 "Changes in genetic environment and evolution". Pages 157–180 in Evolution as a Process (J Huxley, A C Hardy and E B Ford Eds) Allen and Unwin. London
- 1955 "Karl Jordan's contribution to current concepts in systematics and evolution". Transactions of the Royal Entomological Society of London 107:45–66
- 1956 with C B Rosen. "Geographic variation and hybridization in populations of Bahama snails (Cerion)". American Museum Novitates no 1806.
- 1957 "Species concepts and definitions". Pages 371–388 in The Species Problem (E. Mayr ed). AAAS, Washington DC.
- 1959 "The emergence of evolutionary novelties". Pages 349–380 in The Evolution of Life: Evolution after Darwin, vol 1 (S. Tax, ed) University of Chicago.
- 1959 "Darwin and the evolutionary theory in Biology". Pages 1–10 in Evolution and Anthropology: A Centennial Appraisal (B J Meggers, Ed) The Anthropological Society of Washington, Washington DC.
- 1959 "Agassiz, Darwin, and Evolution". Harvard Library Bulletin. 13:165–194
- 1961 "Cause and effect in biology: Kinds of causes, predictability, and teleology are viewed by a practicing biologist". Science 134:1501–1506
- 1962 "Accident or design: The paradox of evolution". Pages 1–14 in The Evolution of Living Organisms (G W Leeper, Ed) Melbourne University Press.
- 1964 Introduction, Bibliography and Subject Pages vii–xxviii, 491–513 in On the Origin of Species by Means of Natural Selection, or the Preservation of Favoured Races in the Struggle for Life, by Charles Darwin. A Facsimile of the First Edition. Harvard University Press.
- 1965 Comments. In Proceedings of the Boston Colloguium for the Philosophy of Science, 1962–1964. Boston Studies in the Philosophy of Science 2:151–156
- 1969 Discussion: Footnotes on the philosophy of biology. Philosophy of Science 36:197–202
- 1972 Continental drift and the history of the Australian bird fauna. Emu 72:26–28
- 1972 Geography and ecology as faunal determinants. Pages 549–561 in Proceedings XVth International Ornithological Congress (K H Voous, Ed) E J Brill, Leiden, The Netherlands.
- 1972 Lamarck revisited. Journal of the History of Biology. 5:55–94
- 1974 Teleological and teleonomic: A new analysis. Boston studies in the Philosophy of Science 14:91–117
- 1978 Tenure: A sacred cow? Science 199:1293
- 1980 How I became a Darwinian, Pages 413–423 in The Evolutionary Synthesis (E Mayr and W Provine, Eds) Harvard University Press, Cambridge, Massachusetts.
- 1980 with W B Provine, Eds. The Evolutionary Synthesis. Harvard University Press.
- 1981 Evolutionary biology. Pages 147–162 in The Joys of Research (W. Shripshire Jr, Ed.) Smithsonian Institution Press.
- 1984 Evolution and ethics. Pages 35–46 in Darwin, Mars and Freud: Their influence on Moral Theory (A L Caplan and B Jennings, Eds.) Plenum Press, New York.
- 1985. Darwin's five theories of evolution. In D. Kohn, ed., The Darwinian Heritage, Princeton NJ: Princeton University Press, pp. 755–772.
- 1985. How biology differs from the physical sciences. In D. J. Depew and B H Weber, eds., Evolution at a Crossroads: The New Biology and the New Philosophy of Science, Cambridge MA: The MIT Press, pp. 43–63.
- 1988. The why and how of species. Biology and Philosophy 3:431–441
- 1992. The idea of teleology. Journal of the History of Ideas 53:117–135
- 1994. with W.J. Bock. Provisional classifications v. standard avian sequences: heuristics and communication in ornithology. Ibis 136:12–18
- 1996. What is a species, and what is not? Philosophy of Science 63 (June): 262–277.
- 1996. The autonomy of biology: the position of biology among the sciences. Quarterly Review of Biology 71:97–106
- 1997. The objects of selection Proc. Natl. Acad. Sci. USA 94 (March): 2091–94.
- 1999. Darwin's influence on modern thought Crafoord Prize lecture, September 23, 1999.
- 2000. Biology in the Twenty-First Century Bioscience 50 (Oct. 2000): 895–897.
- 2001. "The philosophical foundations of Darwinism" (PDF), Proceedings of the American Philosophical Society 145: 488–495, archived from the original (PDF) on 2008-04-14
- 2002. with Walter J Bock. Classifications and other ordering systems. Zeitschrift Zool. Syst. Evolut-Forsch. 40:1–25
- American philosophy
- List of American philosophers
- List of centenarians (scientists and mathematicians)
- Species Problem
- Philosophy of biology
- Proximate and ultimate causation
- Bock, Walter J. (2006). "Ernst Walter Mayr. 5 July 1904 -- 3 February 2005: Elected ForMemRS 1988". Biographical Memoirs of Fellows of the Royal Society 52: 167. doi:10.1098/rsbm.2006.0013. JSTOR 20461341.
- Meyer, A. (2005). "On the Importance of Being Ernst Mayr". PLoS Biology 3 (5): e152. doi:10.1371/journal.pbio.0030152.
- Rennie, J. (1994) Profile: Ernst Mayr – Darwin's Current Bulldog, Scientific American 271(2), 24-25.
- Haffer 2007:12
- Haffer 2007:22
- Mayr & Provine, 1998:p. 413
- Haffer 2007:23
- Haffer 2007:35
- Barrow, Mark V. 1998. A Passion for Birds: American Ornithology after Audubon. Princeton University Press. ISBN 0-691-04402-3
- "Evolutionary theorist dies at 100". MSNBC. 2005-04-02.
- "The Four Awards Bestowed by The Academy of Natural Sciences and Their Recipients". Proceedings of the Academy of Natural Sciences of Philadelphia (The Academy of Natural Sciences of Philadelphia) 156 (1): 403–404. June 2007. doi:10.1635/0097-3157(2007)156[403:TFABBT]2.0.CO;2.
- "Daniel Giraud Elliot Medal". National Academy of Sciences. Retrieved 15 February 2011.
- "Benjamin Franklin Medal for Distinguished Achievement in the Sciences Recipients". American Philosophical Society. Retrieved November 27, 2011.
- Shermer, M.; Sulloway, F.J. (2000). "The grand old man of evolution". Skeptic 8 (1): 76–82.
- Sagan, Carl (1995). "The Abundance of Life-Bearing Planets". Bioastronomy News 7 (4).
- Sagan, C. (1982). "Extraterrestrial Intelligence: An International Petition". Science 218 (4571): 426–426. doi:10.1126/science.218.4571.426-a. ISSN 0036-8075.
- Brockman, John, ed. (October 31, 2001). "Ernst Mayr: What Evolution Is". Edge 92.
- Coyne, J. A. (2005). "EVOLUTION: Ernst Mayr (1904-2005)". Science 307 (5713): 1212–1213. doi:10.1126/science.1110718. PMID 15731434.
- Diamond, J. (2005). "Obituary: Ernst Mayr (1904–2005)". Nature 433 (7027): 700–701. Bibcode:2005Natur.433..700D. doi:10.1038/nature03435. PMID 15716939.
- Gill, F. B. (1994). "Ernst Mayr, the Ornithologist". Evolution 48 (1): 12–18. doi:10.2307/2409998. JSTOR 2409998.
- Haffer, Jürgen (2007). Ornithology, Evolution, and Philosophy. Berlin: Springer. ISBN 978-3-540-71778-2.
- Milner, Richard (1990). The Encyclopedia of Evolution. New York: Facts on File. ISBN 0-8160-1472-8.
- Schilthuizen, Menno (2001). Frogs, Flies, and Dandelions. Oxford Oxfordshire: Oxford University Press. ISBN 0-19-850393-8.
- Kutschera, U. (2006). "Dogma, not faith, is the barrier to scientific enquiry". Nature 443 (7107): 26. Bibcode:2006Natur.443...26K. doi:10.1038/443026b. PMID 16957709.
- Mayr, Ernst (1998). The Evolutionary Synthesis. Cambridge: Harvard University Press. ISBN 0-674-27226-9. Reprint of 1980 edition (Mayr and William B. Provine, eds) with new preface.
- Mayr, Ernst (1954). "Change of genetic environment and evolution". In Julian Huxley. Evolution as a Process. London: George Allen & Unwin. OCLC 974739.
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- A Review of Mayr's One Long Argument at the Wayback Machine (archived July 25, 2011)