Assertion: extant macaw | /r/HasProperty | rostrum
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Source sentences:
text: No modern skeletal remains of this macaw are known, but three subfossil specimens have been discovered: half a carpometacarpus from a possibly Pleistocene spring deposit in Ciego Montero, identified by extrapolating from the size of Cuban macaw skins and bones of extant macaws (reported in 1928), a rostrum from a Quaternary cave deposit in Caimito (reported in 1984), and a worn skull from Sagua La Grande, which was deposited in a waterfilled sinkhole possibly during the Quaternary and associated with various extinct birds and ground sloths (reported in 2008).