- Zoology 17
- Evolutionary Biology 15
- Animal Ecology 13
- Animal Systematics/Taxonomy/Biogeography 11
- Science, Humanities and Social Sciences, multidisciplinary 8
- Science, multidisciplinary 8
- Animal Anatomy / Morphology / Histology 6
- Entomology 6
- Fish & Wildlife Biology & Management 6
- Animal Physiology 5
- Ecology 5
- Life Sciences, general 5
- Terrestial Ecology 5
- Behavioral Sciences 4
- Biomedicine, general 4
- Conservation Biology/Ecology 4
- Bioinformatics 3
- Cell Biology 3
- Hydrology/Water Resources 3
- Infectious Diseases 3