| Social organization and reproduction in equids. H Klingel Journal of reproduction and fertility. Supplement, 7-11, 1975 | 202 | 1975 |
| Soziale Organisation und Verhalten freilebender Steppenzebras1 H Klingel Zeitschrift für Tierpsychologie 24 (5), 580-624, 1967 | 191 | 1967 |
| A comparison of the social behaviour of the Equidae H Klingel The behaviour of ungulates and its relation to management 1, 124-132, 1974 | 170 | 1974 |
| Stable isotope ecology of the common hippopotamus TE Cerling, JM Harris, JA Hart, P Kaleme, H Klingel, MG Leakey, ... Journal of Zoology 276 (2), 204-212, 2008 | 147 | 2008 |
| The social organisation and population ecology of the plains zebra (Equus quagga) H Klingel African Zoology 4 (2), 1969 | 143 | 1969 |
| Reproduction in the plains zebra, Equus burchelli boehmi: behavior and ecological factors. H Klingel J. Reprod. Fertil.(Suppl.) 6, 339-345, 1969 | 139 | 1969 |
| Observations on Social Organization and Behaviour of African and Asiatic Wild Asses (Equus africanus and E. hemionus) H Klingel Zeitschrift für Tierpsychologie 44 (3), 323-331, 1977 | 125 | 1977 |
| Soziale Organisation und Verhalten des Grevy‐Zebras (Equus grevyi)* H Klingel Zeitschrift für Tierpsychologie 36 (1‐5), 37-70, 1974 | 98* | 1974 |
| Social behaviour of African equidae H Klingel Zoologica Africana 7 (1), 175-185, 1972 | 87 | 1972 |
| Soziale Organisation und Verhaltensweisen von Hartmann‐und Bergzebras (Equus zebra hartmannae und E. z. zebra) H Klingel Zeitschrift für Tierpsychologie 25 (1), 76-88, 1968 | 77 | 1968 |
| Social organization of feral horses. H Klingel Journal of reproduction and fertility. Supplement 32, 89-95, 1981 | 68 | 1981 |
| Rethinking the evolution of extant sub‐Saharan African suids (Suidae, Artiodactyla) J Gongora, RE Cuddahee, FF Nascimento, CJ Palgrave, S Lowden, ... Zoologica Scripta 40 (4), 327-335, 2011 | 64 | 2011 |
| Das Verhalten der Pferde (Equidae) H Klingel, T Krumbach, WG Kükenthal De Gruyter, 1972 | 61 | 1972 |
| Notes on the biology of the plains zebra Equus quagga boehmi Matschie H Klingel African Journal of Ecology 3 (1), 86-88, 1965 | 59 | 1965 |
| Observations on social organization and behaviour of African and Asiatic wild asses (Equus africanus and Equus hemionus) H Klingel Applied Animal Behaviour Science 60 (2-3), 103-113, 1998 | 57 | 1998 |
| Tooth development and age determination in the plains zebra (Equus quagga boehmi Matschie) H Klingel, U Klingel Der Zoologische Garten 33 (1/3), 34-54, 1966 | 48 | 1966 |
| Vergleichende Verhaltensbiologie der Chilopoden Scutigera coleoptrata L. (“Spinnenassel”) und Scolopendra cingulata Latreille (Skolopender)1 H Klingel Zeitschrift für Tierpsychologie 17 (1), 11-30, 1960 | 47 | 1960 |
| Paarungsverhalten bei Pedipalpen (Thelyphonus caudatus L, Holopeltidia, Uropygi, und Sarax sarawakensis Simon, Charontidae, Amblypygi) H Klingel Verh. dtsch. zool. Ges. 1962, 452-459, 1963 | 34 | 1963 |
| Hippopotamus (H. amphibius) diet change indicates herbaceous plant encroachment following megaherbivore population collapse KL Chritz, SA Blumenthal, TE Cerling, H Klingel Scientific reports 6 (1), 32807, 2016 | 28 | 2016 |
| The social organization and behaviour of Hippopotamus amphibius H Klingel African wildlife: research and management, 73-75, 1991 | 28 | 1991 |
