| # | Title | Journal | Year | Citations |
|---|
| 1 | A series of normal stages in the development of the chick embryo | Journal of Morphology | 1951 | 11,689 |
| 2 | Observational Study of Behavior: Sampling Methods | Behaviour | 1974 | 10,871 |
| 3 | Behavioral decisions made under the risk of predation: a review and prospectus | Canadian Journal of Zoology | 1990 | 6,597 |
| 4 | Toward Defining the Course of Evolution: Minimum Change for a Specific Tree Topology | Systematic Zoology | 1971 | 5,818 |
| 5 | A working guide to boosted regression trees | Journal of Animal Ecology | 2008 | 4,623 |
| 6 | Parent-Offspring Conflict | American Zoologist | 1974 | 3,562 |
| 7 | Mating systems, philopatry and dispersal in birds and mammals | Animal Behaviour | 1980 | 3,358 |
| 8 | Stomach contents analysis-a review of methods and their application | Journal of Fish Biology | 1980 | 3,311 |
| 9 | Extensions of the Procrustes Method for the Optimal Superimposition of Landmarks | Systematic Zoology | 1990 | 2,856 |
| 10 | Cube law, condition factor and weight-length relationships: history, meta-analysis and recommendations | Journal of Applied Ichthyology | 2006 | 2,643 |
| 11 | A series of normal stages in the development of the chick embryo | Journal of Morphology | 1951 | 2,601 |
| 12 | The Relation Between the Number of Species and the Number of Individuals in a Random Sample of an Animal Population | Journal of Animal Ecology | 1943 | 2,547 |
| 13 | Quantitative Phyletics and the Evolution of Anurans | Systematic Zoology | 1969 | 2,424 |
| 14 | The Length-Weight Relationship and Seasonal Cycle in Gonad Weight and Condition in the Perch (Perca fluviatilis) | Journal of Animal Ecology | 1951 | 2,383 |
| 15 | Cases in which Parsimony or Compatibility Methods Will be Positively Misleading | Systematic Zoology | 1978 | 2,270 |
| 16 | Comparing isotopic niche widths among and within communities: SIBER - Stable Isotope Bayesian Ellipses in R | Journal of Animal Ecology | 2011 | 2,260 |
| 17 | 2016 Guidelines of the American Society of Mammalogists for the use of wild mammals in research and education: | Journal of Mammalogy | 2016 | 2,098 |
| 18 | Guidelines of the American Society of Mammalogists for the use of wild mammals in research | Journal of Mammalogy | 2011 | 2,021 |
| 19 | The Intrinsic Rate of Natural Increase of an Insect Population | Journal of Animal Ecology | 1948 | 1,977 |
| 20 | Cortisol in teleosts: dynamics, mechanisms of action, and metabolic regulation | Reviews in Fish Biology and Fisheries | 1999 | 1,891 |
| 21 | Oogenesis inXenopus laevis (Daudin). I. Stages of oocyte development in laboratory maintained animals | Journal of Morphology | 1972 | 1,856 |
| 22 | Directions in Conservation Biology | Journal of Animal Ecology | 1994 | 1,846 |
| 23 | Multiple Regression and Correlation Extensions of the Mantel Test of Matrix Correspondence | Systematic Zoology | 1986 | 1,841 |
| 24 | The Social Organisation of Antelope in Relation To Their Ecology | Behaviour | 1974 | 1,819 |
| 25 | The logic of asymmetric contests | Animal Behaviour | 1976 | 1,722 |
| 26 | Territoriality and Home Range Concepts as Applied to Mammals | Journal of Mammalogy | 1943 | 1,702 |
| 27 | The repeatability of behaviour: a meta-analysis | Animal Behaviour | 2009 | 1,651 |
| 28 | An Ecological Model of Female-Bonded Primate Groups | Behaviour | 1980 | 1,645 |
| 29 | Accuracy, precision and quality control in age determination, including a review of the use and abuse of age validation methods | Journal of Fish Biology | 2001 | 1,603 |
| 30 | Geometric morphometrics: Ten years of progress following the ‘revolution’ | Italian Journal of Zoology | 2004 | 1,594 |
| 31 | Habitat, the Templet for Ecological Strategies? | Journal of Animal Ecology | 1977 | 1,575 |
| 32 | The Evolution of Life-histories | Journal of Animal Ecology | 1993 | 1,472 |
| 33 | Preservation of avian blood and tissue samples for DNA analyses | Canadian Journal of Zoology | 1991 | 1,471 |
| 34 | Cytoplasmic control of nuclear behavior during meiotic maturation of frog oocytes | The Journal of Experimental Zoology | 1971 | 1,456 |
| 35 | Supporting Red List threat assessments with GeoCAT: geospatial conservation assessment tool | ZooKeys | 2011 | 1,435 |
| 36 | Tests for emotionality in rats and mice: A review | Animal Behaviour | 1973 | 1,412 |
| 37 | Regulation and Stability of Host-Parasite Population Interactions: I. Regulatory Processes | Journal of Animal Ecology | 1978 | 1,412 |
| 38 | Food Webs: Linkage, Interaction Strength and Community Infrastructure | Journal of Animal Ecology | 1980 | 1,400 |
| 39 | Morphology, Performance and Fitness | American Zoologist | 1983 | 1,377 |
| 40 | The social behaviour of anuran amphibians | Animal Behaviour | 1977 | 1,360 |
| 41 | The evolution of polyandry: multiple mating and female fitness in insects | Animal Behaviour | 2000 | 1,323 |
| 42 | Measuring beta diversity for presence-absence data | Journal of Animal Ecology | 2003 | 1,322 |
| 43 | An analysis of nesting mortality in birds | Smithsonian Contributions To Zoology | 1969 | 1,308 |
| 44 | A Practical Model of Metapopulation Dynamics | Journal of Animal Ecology | 1994 | 1,300 |
| 45 | The integrative future of taxonomy | Frontiers in Zoology | 2010 | 1,281 |
| 46 | Mutual Interference Between Parasites or Predators and its Effect on Searching Efficiency | Journal of Animal Ecology | 1975 | 1,277 |
| 47 | Distinguishing Homologous from Analogous Proteins | Systematic Zoology | 1970 | 1,238 |
| 48 | Character Displacement | Systematic Zoology | 1956 | 1,236 |
| 49 | Guidelines of the American Society of Mammalogists for the Use of Wild Mammals in Research | Journal of Mammalogy | 2007 | 1,196 |
| 50 | The Natural Control of Animal Populations | Journal of Animal Ecology | 1949 | 1,192 |
| 51 | An outline of the dynamics of animal populations. | Australian Journal of Zoology | 1954 | 1,182 |
| 52 | Integrating Thermal Physiology and Ecology of Ectotherms: A Discussion of Approaches | American Zoologist | 1979 | 1,173 |
| 53 | Why do we still use stepwise modelling in ecology and behaviour? | Journal of Animal Ecology | 2006 | 1,148 |
| 54 | Stable isotopes of carbon and nitrogen in the study of avian and mammalian trophic ecology | Canadian Journal of Zoology | 2000 | 1,142 |
| 55 | Ecological Bases of Hormone—Behavior Interactions: The “Emergency Life History Stage” | American Zoologist | 1998 | 1,131 |
| 56 | Scaling of metabolic rate with body mass and temperature in teleost fish | Journal of Animal Ecology | 1999 | 1,104 |
| 57 | A Successive Approximations Approach to Character Weighting | Systematic Zoology | 1969 | 1,092 |
| 58 | Population Fluctuations and Clutch-Size in the Great Tit, Parus major L. | Journal of Animal Ecology | 1965 | 1,065 |
| 59 | Routine haematological methods for use with fish blood | Journal of Fish Biology | 1973 | 1,062 |
| 60 | Living fast and dying young: A comparative analysis of life‐history variation among mammals | Journal of Zoology | 1990 | 1,049 |
| 61 | The proximo-distal sequence of origin of the parts of the chick wing and the role of the ectoderm | The Journal of Experimental Zoology | 1948 | 1,036 |
| 62 | Atlantic salmon Salmo salar L., brown trout Salmo trutta L. and Arctic charr Salvelinus alpinus (L.): a review of aspects of their life histories | Ecology of Freshwater Fish | 2003 | 1,030 |
| 63 | Determining trophic niche width: a novel approach using stable isotope analysis | Journal of Animal Ecology | 2004 | 1,030 |
| 64 | Do chimpanzees know what conspecifics know? | Animal Behaviour | 2001 | 985 |
| 65 | A Radical Solution to the Species Problem | Systematic Zoology | 1974 | 980 |
| 66 | Parental investment: A prospective analysis | Animal Behaviour | 1977 | 976 |
| 67 | A Comparison of the Social Postures of Some Common Laboratory Rodents | Behaviour | 1963 | 970 |
| 68 | Cellular and Dynamic Aspects of Oocyte Growth in Teleosts | American Zoologist | 1981 | 970 |
| 69 | A Concern for Evidence and a Phylogenetic Hypothesis of Relationships Among Epicrates (Boidae, Serpentes) | Systematic Zoology | 1989 | 965 |
| 70 | Stereotypies: a critical review | Animal Behaviour | 1991 | 962 |
| 71 | Inferring evolutionary processes from phylogenies | Zoologica Scripta | 1997 | 962 |
| 72 | Ecological Adaptations for Breeding in Birds | Journal of Animal Ecology | 1970 | 960 |
| 73 | A new versatile primer set targeting a short fragment of the mitochondrial COI region for metabarcoding metazoan diversity: application for characterizing coral reef fish gut contents | Frontiers in Zoology | 2013 | 955 |
| 74 | The Food of Fresh-Water Sticklebacks (Gasterosteus aculeatus and Pygosteus pungitius), with a Review of Methods Used in Studies of the Food of Fishes | Journal of Animal Ecology | 1950 | 941 |
| 75 | SEEWAVE, A FREE MODULAR TOOL FOR SOUND ANALYSIS AND SYNTHESIS | Bioacoustics | 2008 | 939 |
| 76 | Vervet monkey alarm calls: Semantic communication in a free-ranging primate | Animal Behaviour | 1980 | 936 |
| 77 | `Mean Crowding' | Journal of Animal Ecology | 1967 | 934 |
| 78 | A New Statistical Approach to Geographic Variation Analysis | Systematic Zoology | 1969 | 932 |
| 79 | Receiver psychology and the evolution of animal signals | Animal Behaviour | 1991 | 929 |
| 80 | The Ecology of Fear: Optimal Foraging, Game Theory, and Trophic Interactions | Journal of Mammalogy | 1999 | 916 |
| 81 | Antioxidant Defenses in Fish: Biotic and Abiotic Factors | Reviews in Fish Biology and Fisheries | 2005 | 916 |
| 82 | Energetic Responses of Salmon to Temperature. A Study of Some Thermal Relations in the Physiology and Freshwater Ecology of Sockeye Salmon (Oncorhynchus nerkd) | American Zoologist | 1971 | 908 |
| 83 | Chimpanzees know what conspecifics do and do not see | Animal Behaviour | 2000 | 904 |
| 84 | Methods for Computing Wagner Trees | Systematic Zoology | 1970 | 893 |
| 85 | Proliferation, differentiation and degeneration in the spinal ganglia of the chick embryo under normal and experimental conditions | The Journal of Experimental Zoology | 1949 | 878 |
| 86 | Best practices for use of stable isotope mixing models in food-web studies | Canadian Journal of Zoology | 2014 | 873 |
| 87 | Body Form, Locomotion and Foraging in Aquatic Vertebrates | American Zoologist | 1984 | 869 |
| 88 | Species Interactions, Local and Regional Processes, and Limits to the Richness of Ecological Communities: A Theoretical Perspective | Journal of Animal Ecology | 1992 | 869 |
| 89 | Temperature as an Ecological Resource | American Zoologist | 1979 | 866 |
| 90 | A comparison of genetic diversity levels in marine, freshwater, and anadromous fishes | Journal of Fish Biology | 1994 | 866 |
| 91 | Quantifying individual variation in behaviour: mixed‐effect modelling approaches | Journal of Animal Ecology | 2013 | 860 |
| 92 | Random Search and Insect Population Models | Journal of Animal Ecology | 1972 | 859 |
| 93 | The Evolutionary Species Concept Reconsidered | Systematic Zoology | 1978 | 854 |
| 94 | Why Are Diurnal Primates Living in Groups? | Behaviour | 1983 | 849 |
| 95 | An ecologist’s guide to the animal model | Journal of Animal Ecology | 2010 | 849 |
| 96 | Outgroup Analysis and Parsimony | Systematic Zoology | 1984 | 844 |
| 97 | Are Species Really Individuals? | Systematic Zoology | 1976 | 842 |
| 98 | Family-Group Names In Coleoptera (Insecta) | ZooKeys | 2011 | 839 |
| 99 | The statistical analysis of the Canadian Lynx cycle. | Australian Journal of Zoology | 1953 | 833 |
| 100 | Directed movements and selective adhesion of embryonic amphibian cells | The Journal of Experimental Zoology | 1955 | 833 |
