| S.No. | Title | Author |
| 1. | Integrated Principles of Zoology | Hickman, Jr. C.P., Keen, S. L, Larson, and Eisenhour, D.J. |
| 2. | Zoology | Miller, S. A. and Harley, J. B. |
| 3. | Biology | Campbell, N.A. |
| 4. | Evolution | Douglas Futuyma |
| 5. | Animal behavior: An Evolutionary Approach., (9th Edition) | John Alcock |
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