Healthy-looking fronds snap off, showing chew marks. Never seen this in 60 years in Florida. Christmas palms (Adonidia?). Found a 2008 post with similar issue. Will take photos.
Get close-ups of chew marks and the palm from heart to crown to check for stress. Likely culprits: squirrels (daytime), roof rats or Quaker parrots (nighttime).
Nick
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