Contents: 1. Introduction. 2. Andhra Pradesh at a glance. 3. Ornithological studies. 4. Other studies. 5. Special study. 6. Avifauna. 7. Important bird areas IBAs of Andhra Pradesh. 8. Threatened birds of Andhra Pradesh. 9. Major distribution in Andhra Pradesh. 10. Threats and conservation. 11. Ornithological accounts. 12. Quantitative and qualitative analysis of the avifauna of Andhra Pradesh. 13. Population status. 14. Type locality. 15. Zoogeographical influence on the avifauna of Andhra Pradesh. 16. Conclusion. 17. Acknowledgements. 18. References.