| Physiological ecology: how animals process energy, nutrients, and toxins WH Karasov, C Martínez del Rio Princeton University Press, 2007 | 599 | 2007 |
| Digestion in birds: chemical and physiological determinants and ecological implications WH Karasov Studies in avian biology 13 (39), l-4, 1990 | 576 | 1990 |
| Ecological physiology of diet and digestive systems WH Karasov, C Martinez del Rio, E Caviedes-Vidal Annual review of physiology 73 (1), 69-93, 2011 | 388 | 2011 |
| Comparative digestive physiology WH Karasov, AE Douglas Comprehensive Physiology 3 (2), 741, 2013 | 354 | 2013 |
| Adaptive regulation of sugar and amino acid transport by vertebrate intestine WH Karasov, JM Diamond American Journal of Physiology-Gastrointestinal and Liver Physiology 245 (4 …, 1983 | 347 | 1983 |
| Phenotypic flexibility in digestive system structure and function in migratory birds and its ecological significance SR McWilliams, WH Karasov Comparative Biochemistry and Physiology Part A: Molecular & Integrative …, 2001 | 330 | 2001 |
| Morphometrics of the avian small intestine compared with that of nonflying mammals: a phylogenetic approach SR Lavin, WH Karasov, AR Ives, KM Middleton, T Garland Jr Physiological and biochemical zoology 81 (5), 526-550, 2008 | 326 | 2008 |
| Contrasts in energy intake and expenditure in sit-and-wait and widely foraging lizards RA Anderson, WH Karasov Oecologia 49 (1), 67-72, 1981 | 301 | 1981 |
| Digestive physiology is a determinant of foraging bout frequency in hummingbirds JM Diamond, WH Karasov, D Phan, FL Carpenter Nature 320 (6057), 62-63, 1986 | 277 | 1986 |
| A simple method for measuring intestinal solute uptake in vitro WH Karasov, JM Diamond Journal of comparative physiology 152 (1), 105-116, 1983 | 270 | 1983 |
| Digestive plasticity in avian energetics and feeding ecology WH Karasov Avian energetics and nutritional ecology, 61-84, 1996 | 264 | 1996 |
| The trade‐offs between digestion rate and efficiency in warblers and their ecological implications D Afik, WH Karasov Ecology 76 (7), 2247-2257, 1995 | 250 | 1995 |
| Effect of dietary carbohydrate on monosaccharide uptake by mouse small intestine in vitro. JM Diamond, WH Karasov, C Cary, D Enders, R Yung The Journal of physiology 349 (1), 419-440, 1984 | 240 | 1984 |
| Interplay between physiology and ecology in digestion. WH Karasov, JM Diamond BioScience 38 (9), 602-611, 1988 | 235 | 1988 |
| Food passage and intestinal nutrient absorption in hummingbirds WH Karasov, D Phan, JM Diamond, FL Carpenter The Auk 103 (3), 453-464, 1986 | 229 | 1986 |
| Vertebrate gastrointestinal system WH Karasov, ID Hume Comprehensive Physiology, 409-480, 2010 | 219 | 2010 |
| Digestive responses of temperate birds switched to fruit or insect diets DJ Levey, WH Karasov The Auk, 675-686, 1989 | 209 | 1989 |
| The digestive adaptation of flying vertebrates: high intestinal paracellular absorption compensates for smaller guts E Caviedes-Vidal, TJ McWhorter, SR Lavin, JG Chediack, CR Tracy, ... Proceedings of the National Academy of Sciences 104 (48), 19132-19137, 2007 | 202 | 2007 |
| Effects of atrazine on embryos, larvae, and adults of anuran amphibians JW Allran, WH Karasov Environmental Toxicology and Chemistry: An International Journal 20 (4), 769-775, 2001 | 189 | 2001 |
| Diet breadth of mammalian herbivores: nutrient versus detoxification constraints MD Dearing, AM Mangione, WH Karasov Oecologia 123, 397-405, 2000 | 185 | 2000 |