This is the 2575th most frequent Turkish word.
saldırısının
"Of the attack" or "its attack" (possessive and genitive form of "saldırı").
In this sentence, the word 'saldırısının' is used to indicate possession, specifically the attack belonging to the lion.
Aslanın saldırısının güçlü olduğunu gördük.
We saw that the lion's attack was strong.
Here, 'saldırısının' is used to describe the context of the attack in terms of its ownership by the enemy army.
Düşman ordusunun saldırısının sonuçları felaketti.
The consequences of the enemy army's attack were disastrous.
In this example, 'saldırısının' denotes the attack's reason or purpose, particularly related to the birds' actions.