Amazona oratrix Ridgway, 1887

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Microsoft Word - A-218.003.005.030 Amazona oratrix_E.docAmazona oratrix Ridgway, 1887 __________________________________________________________________________________________________________________
Scientific synonyms: Normally considered a subspecies of Amazona ochrocephala (sheet. A-218.003.005.019)
Amazona tresmariae Amazona oratrix
Characteristics:
Measurements: Total length from tip of bill to tip of tail: 35-38 cm. Length of wing from bend of folded wing to tip of primaries: male 222-244 mm, female 206-233 mm; length of tail from base of central tail-feathers to tip of longest tail-feather: male 104-135 mm, female 105-126 mm; exposed culmen as straight line from tip of upper mandible to anterior edge of cere: male 30-37 mm, female 30-36 mm; tarsus length as length of tarsometatarsus: male 25-28 mm, female 25-27 mm.
General appearance: Mediums sized parrot.
Adult:
Upperparts: Green.
Underparts: Green, more yellowish than upperparts. Thighs yellow.
Wings: Primaries and secondaries green, becoming violet-blue towards tip. Carpal edge yellow. Red speculum on base of outer five secondaries. Bend of wing pale red, with some yellow.
Tail: Green, tipped with yellowish green. Lateral rectrices basally marked with red on inner web and outermost feathers edged with blue.
Legs: Pale grey.
Eye: Iris orange.
Cere: Dark grey.
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_____________________________________________________________________________________________________ Text: Jean-Pierre Biber, Basle Illustration: John Cameron Yrizarry Submitted by the Management Authority of Switzerland
Distribution: Pacific and Caribbean slope of Mexico.
Population:
Wild population: Not globally threatened. But declining rapidly.
Captive population: According to ISIS International Species Information System (www.isis.org) species holding list of May 2002: 176 specimens in 56 zoos; 2 births in past 6 months.
Trade: According to the statistics of the World Conservation Monitoring Centre no trade in 1999 and 2000.
Intraspecific variation: Monotypic.
Similar species: See Amazona ochrocephala (sheet A-218.003.005.019) paragraph on intraspecific variation and colour chart (A-218.003.005.000).
Bibliography: Del Hoyo, J., Elliott, A. & Sargatal, J. eds. (1997) Handbook of Birds of the World. Vol. 4. Sandgrouse to Cuckoos. Lynx Editions, Barcelona.