M. chalybeata, [548];

M. comrii, [548]

Manukdewata, [543]

Manus, its quills, [22];

in Archaeopteryx, [25]

Marabou feathers, [96]

Mareca americana, [126];

M. penelope, [126];

M. sibilatrix, [127]

Margaroperdix madagascariensis, [223]