Assertion: tree frog | /r/HasProperty | pseudacris regilla
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Source sentences:
text: For example, White's tree frog (Litoria caerulea) varies between pale green and dull brown according to the temperature, and the Pacific tree frog (Pseudacris regilla) has green and brown morphs, plain or spotted, and changes colour depending on the time of year and general background colour.
text: The Pacific tree frog (Pseudacris regilla) produces the onomatopoeic "ribbit" often heard in films.