This section is from the book "The Speaking Parrots: A Scientific Manual", by Dr. Karl Russ. Also available from Amazon: The Speaking Parrots.
Psittacus intermedins, Ess.; P. intermedins, Bp. as male; P. cardinalis, Bdd. as female.
Male bird hitherto known as, Ger., Mittlerer gruner Edel-papagei and Mitteledelpapagei; not been distinguished by the dealers - Female called the Crimson Lory, Blue-breasted Lory (Ger., Mittelerer rother Edelpapagei und Kardinaledelpapagei; Fr., Lori d' Amboine) - Ceram Eclectus or Parrot (Fr., Perro-quet de Ceram; Dut., Ceram Edelpapegaai) - Description.
The male of this species greatly resembles those of the two preceding, being, indeed, almost exactly alike, so that, according to Dr. Meyer, all three varieties might be included in one.
The male of the Ceram Eclectus is a dark grass-green; the primaries are indigo-blue; the secondaries the same, but green on the outer web; a narrow border of sky-blue on the wings; the lower wing coverts and the plumage on the shoulders, scarlet; upper mandible red; the point yellow; the lower beak black; the eyes blackish-brown; the apple of the eye orange-red; the feet ashen-grey, with black scales and claws. The distinguishing marks are the darker green; the narrow blue border to the wing; only the three outermost tail feathers bluish on the outer web. The size is not noticeably smaller than the two preceding (length, 12 5/8in. to 13 3/8in.; wings, Sin. to 9 1/8in.; tail, 4 1/2in. to 4 7/8in.). The female is of a dark-scarlet; on the upper part of the body more of a cherry red; the band across the back dark-blue, with a violet lustre; the edge of the wing, the small under coverts of the wing, the primaries and their coverts, blue; the upper side of the tail red, the reverse side orange-yellow, the tip both above and below of bright yellow; all the lower part of the body dark-blue; the under covert of the tail orange-red. The last mentioned is said to be the chief mark of distinction (length, 12 3/4in.; wings, Sin. to 8 3/4in.; tail, 4 5/8in. to 5in.).
They are natives of the Ceram Islands. The male was first described by Bonaparte, 1854; the female, however, had already been described by Brisson, and named by Boddaert. The cock rarely appears in our markets; I possessed one for several years which Dr. Platen had brought over. The female scarcely ever appears in the trade.
 
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