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From genes to ecosystems.


  • Ecology, Evolution & Behavior and Plant Biology graduate programs ranked among top programs nationwide.
  • One of the largest and most diverse systematics collections in the country with over 9 million specimens, including reptiles and amphibians (80,000), fishes (1 million), insects (2 million), birds and mammals (6,000), and vascular plants (1.1 million).
  • Faculty among most-cited in their fields, and among most-cited at the university.
  • Thirteen faculty have at least 10,000 citations in Google Scholar.
  • Brackenridge Field Laboratory and Stengl Lost Pines Biological Field Station provide field resources in and near Austin.

The Department of Integrative Biology explores the organisms that make up our world and the systems in which they interact, falter or thrive. The department emphasizes interdisciplinary approaches to understand biological diversity across fields such as genetics, genomics, mathematics, neuroscience, conservation biology, computer science, and infectious diseases.

Affiliated Graduate Programs

Cellular and Molecular Biology
Ecology, Evolution, and Behavior
Plant Biology


35 faculty
5 members of the National Academy of Sciences
8 fellows of the American Academy of Arts and Sciences
6 National Science Foundation Early CAREER Awards
2 MacArthur Fellows
1 Howard Hughes Medical Institute Award – Early Career Scientist
1 International Prize for Biology
1 Kavli Frontiers of Science Fellow


Animal Behavior / Biodiversity / Bioinformatics / Climate Change / Computational Biology / Conservation Biology / Ecology / Evolution / Genomics / Infectious Disease / Microbiomes /  Sexual Selection / Speciation / Systematics

Affiliated Centers & Institutes

Biodiversity Center, including Brackenridge Field Laboratory, Stengl Lost Pines Biological Station, and Biodiversity Collections
Center for Brain, Behavior, and Evolution
Center for Computational Biology and Bioinformatics
Institute for Cellular and Molecular Biology