This is the 2390th most frequent Turkish word.
görülür
"Seen" or "visible."
Here 'görülür' is used in a passive voice to indicate that the rainbow is being observed.
Gökkuşağı genellikle yağmurdan sonra gökyüzünde görülür.
Rainbows are usually seen in the sky after rain.
In this sentence, 'görülür' describes that bird species are seen or observed, emphasizing their presence.
Bölgede birçok farklı kuş türü görülür.
Many different bird species are observed in the region.
The word 'görülür' here is used to convey that details about the event can be found or are observed in the book.