This is the 3802nd most frequent Arabic word.
الطيور
"The birds."
The word 'الطيور' here is used as the subject of the sentence, indicating the general group of birds.
تحب الطيور أن تغني في الصباح.
Birds love to sing in the morning.
The word 'الطيور' specifies the object being observed—birds collectively flying.
رأيت مجموعة من الطيور تحلق في السماء.
I saw a group of birds flying in the sky.
The word 'الطيور' refers to any birds present in the garden, general observation.