Is cuckoo proper noun or common noun?

"Cuckoo" can be both a proper noun and a common noun, depending on the context.

Here's how:

Common Noun: When "cuckoo" refers to the bird species, it's a common noun.

* Example: "The cuckoo is known for its distinctive call."

Proper Noun: "Cuckoo" can be a proper noun when used as a specific name, usually of a person or a place. This usage is less common but could occur in certain situations.

* Example: "My grandmother's pet parrot is named Cuckoo."

It's important to consider the context to determine whether "cuckoo" is a proper noun or a common noun.