Baltimore Ravens are. Like in the sentence the Baltimore ravens
are awesome!
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a flock of ravens is called an unkindness of ravens a flock of
ravens is called an unkindness of ravens
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I have heard a flock of ravens refered to as: A conspiracy of
ravens, an unkindness of ravens, a constable of ravens. researched
at: http://www.lyberty.com/encyc/articles/murder.html
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The possessive form of the plural noun ravens is ravens'.
example: I heard the ravens' calls before I saw them.