This is the 12859th most frequent Swedish word.
studerade
"Studerade" means "studied."
In this sentence, 'studerade' describes an action in the past where the subject engaged in academic learning or enrolled in a course at a formal institution (universitetet).
Jag studerade ekonomi på universitetet.
I studied economics at the university.
Here, 'studerade' is used to indicate a systematic observation or analysis conducted by the subject to gain understanding or knowledge about a specific topic (bird behavior).
Under semestern studerade Anna fåglarnas beteende.
During the vacation, Anna studied the behavior of birds.
In this case, 'studerade' refers to closely examining or analyzing an object (the map) to derive information or answers.