4-Letter Animals Starting with 'BI'

A reference index of 1 4-letter animals starting with 'BI', such as Bird. Browse the entries alphabetically below, or visit the main animals directory to explore related terms.

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Starts with BIR1 words

bird

A warm-blooded, egg-laying vertebrate animal distinguished by the possession of feathers, wings, a beak, and typically by being able to fly.