Fruits and nuts were probably the mainstay of the Mauritius blue pigeon's diet, and like other blue pigeons, it may have occupied the upper canopy, and migrated seasonally to where food was available.
The claim that the bird fed on river molluscs was criticised by the French zoologists Alphonse Milne-Edwards and Emile Oustalet in 1893, with the later agreement of the American ornithologist James Greenway in 1967, as blue pigeons are principally arboreal [REF].