Definition:
An "old world warbler" refers to a small, active bird that is usually brownish or greyish in color. These birds belong to a group called "warblers," which are known for their singing and often live in Europe, Asia, and Africa.
In advanced contexts, you might encounter discussions about the specific species of old world warblers, their habitats, behaviors, or conservation status. For example: - "The old world warbler, particularly the willow warbler, migrates long distances each year."
While "old world warbler" does not have specific idioms or phrasal verbs associated with it, you might come across phrases like: - "Sing like a bird" - to sing beautifully or to speak freely. - "A canary in a coal mine" - a warning sign of danger, referencing the canary's use in mines to detect toxic gases.
The term "old world warbler" is a specific way to describe certain small, active birds found mainly in the Old World regions.