MonachusMonachus, the most commonly available species, is a medium sized bird about eleven to twelve inches in length.
Monachus Luchsi - the Bolivian Gray Breasted Parakeet resembles the M. MonachusMonachus except that the forehead and fore crown are a very pale gray, almost white.
Monachus Cotorra - the Paraguayan Gray Breasted is like the Callita except that the underparts are a brighter green and the abdomen is less yellow.
Marine debris accumulation in the nearshore marine habitat of the endangered Hawaiian monk seal, Monachus schauinslandi 1999-2001, Marine Pollution Bulletin 46(November): 1385-1394.
Concentrations of estrone sulfate and progesterone in plasma and saliva, vaginal cytology, and bioelectric impedance during the estrous cycle of the Hawaiian monk seal (Monachus schauinslandi).
The significance of wounding to the survival of the Hawaiian monk seal, Monachus schauinslandi.