The phrase "strange bird" can be used to describe anything or anyone that is unusual, peculiar, or different. Some synonyms for this phrase include "odd duck," "quirky individual," "peculiar creature," "weird animal," "abnormal bird," "eccentric avian," "uncommon fowl," "curious feathered friend," "outlandish sparrow," "bizarre winged creature," "peculiar bird species," "unique feathered species," and "unusual avian species." These synonyms can be used interchangeably with "strange bird," depending on the context and the level of strangeness that is being conveyed. Regardless of the phrase used, they all imply a certain level of curiosity and oddity.