Assertion: petrel's beak | /r/HasProperty | regurgitated by albatross
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Source sentences:
text: Analysis of the squid beaks regurgitated by albatrosses has shown that many of the squid eaten are too large to have been caught alive, and include mid-water species likely to be beyond the reach of albatross, suggesting that, for some species (like the wandering albatross), scavenged squid may be an important part of the diet.