Assertion: cardinal's song | /r/HasProperty | whistled song patterns
Facets:
Source sentences:
text: The songs vary regionally and are described as whistled song patterns repeated several times, such as "cheeeer-a-dote, cheeer-a-dote-dote-dote," "purdy, purdy, purdy...whoit, whoit, whoit, whoit," "what-cheer, what-cheer", wheet, wheet, wheet, wheet" and cheer, cheer, cheer, what, what, what, what Pairs use chipping noises to locate each other, or to warn each other in case of approaching danger.