This is the 12391st most frequent German word.
vogelarten
"Vogelarten" means "bird species" in English.
Here, 'Vogelarten' is used to refer generally to the variety of bird species present in a location.
In Deutschland gibt es viele verschiedene Vogelarten.
In Germany, there are many different bird species.
In this sentence, 'Vogelarten' specifies a subset of bird species that inhabit a specific environment (the forest).
Die Vogelarten, die im Wald leben, sind besonders interessant.
The bird species that live in the forest are particularly interesting.
Here, 'Vogelarten' is mentioned in the context of scientific analysis and ecological studies.