وَتَفَقَّدَ الطَّيْرَ فَقَالَ مَا لِيَ لَا أَرَى الْهُدْهُدَ أَمْ كَانَ مِنَ الْغَائِبِينَ (20)
(27:20) (On another occasion) Solomon reviewed his birds *27 and said, "How is it that 1 do not see the hoopoe? Has he disappeared somewhere?
*27) That is, the birds whose troops, as mentioned above, were included in the armies of Prophet Solomon like the troops of the men and jinns. It is just possible that the Prophet Solomon had employed them for communicating messages, hunting and performing other such services.