Arthashastra
दुर्ग वासिनः श्येन काक नप्तृ भास शुक सारिक उलूक कपोतान् ग्राहयित्वा पुच्छेष्व् अग्नि योग युक्तान् पर दुर्गे विसृजेत् ॥
Having captured the birds such as the vulture, crow, naptri, bhása, parrot, máina, and pigeon which have their nests in the fort-walls, and having tied to their tails inflammable powders (agniyoga), he may let them fly to the forts.
english translation
durga vAsinaH zyena kAka naptR bhAsa zuka sArika ulUka kapotAn grAhayitvA puccheSv agni yoga yuktAn para durge visRjet ॥
hk transliteration by Sanscript