Genus: Tanygnathus
Species: sumatranus
Size: 32cm (12.5 in)
Size: 32cm (12.5 in)
Adult
Weight:
230-330g (8-11.5 oz)
Races including
nominate:
six: T.s. sumatranus, T.s. sangirensis, T.s. burbidgii,
T.s. everetti, T.s. duponti, T.s. freeri
Colourization Adult:
Large green parrot, plainly coloured, lacking markings.
T.s. sumatranus: both adults-blue rump and lower back; lesser and primary coverts green, marked with blue. Red bill in male, white in female. Eye yellow. T.s. sangirensis:both adults-as in sumatranus,but more blue on bend of wing and lesser wing coverts. T.s. burbidgii: both adults-deep blue rump and lower back.T.s. everetti: both adults-as inburbidgii but head darker green; mantle edged dark blue; rump and lower back darker blue. Eye red. T.s. duponti: both adults-as ineveretti but more yellow neck in a noticeable collar. T.s. freeri: both adults-as ineveretti but more yellow in general; paler blue on mantle.
T.s. sumatranus: both adults-blue rump and lower back; lesser and primary coverts green, marked with blue. Red bill in male, white in female. Eye yellow. T.s. sangirensis:both adults-as in sumatranus,but more blue on bend of wing and lesser wing coverts. T.s. burbidgii: both adults-deep blue rump and lower back.T.s. everetti: both adults-as inburbidgii but head darker green; mantle edged dark blue; rump and lower back darker blue. Eye red. T.s. duponti: both adults-as ineveretti but more yellow neck in a noticeable collar. T.s. freeri: both adults-as ineveretti but more yellow in general; paler blue on mantle.
Colourization Juvenile:
As in adults.
Call:
Calls described as loud and barking; also disyllabic call
followed by upslurred, nasal screeching note; musical quavering shriek and
single, nasal-sounding squawk. While perched gives single loud notes.
Pet
Suitability:
Does well in captivity.
Captive
Status:
Uncommon
Housing:
Walk-in aviary or enclosure, minimum length 3m (9.8 ft).
Diet:
Mix of small seeds: canary, oats, safflower; spray millet;
limited sunflower seed, dry, soaked or sprouted; sprouted mung or other beans,
cooked butterbeans or lentils; boiled corn; fresh green leaves (Swiss chard,
lettuce, sowthistle, dandelion, chickweed; vegetables including carrot, celery,
squash or zucchini, green beans or peas in the pod; fruit including apple,
orange, pear, cactus fruits and bananas; nuts such as walnuts, hazelnuts,
pecans and roasted peanuts; complete pellet.
Enrichment:
Bathing, parrot play gyms, large parrot toys and safe
chewables.
Nest Box
Size:
10" x 10" x 22" (25.4cm x 25.4cm x 55.9cm)
vertical box.
Clutch
Size:
2 to 3
Incubation
Time:
25 days
Fledging
Age:
9 weeks
World
Population:
Around 50,000
Range:
T.s. sumatranus: Sulawesi and nearby islands, Indonesia.
T.s. sangirensis: Talaud and Sangihe Islands, Indonesia.
T.s. burbidgii: Sulu Archipelago, southern Philippine Islands.
T.s. everetti: Central to southern Philippine Islands.
T.s. duponti: Luzon, northern Philippine Islands.
T.s. freeri: Polillo, northern Philippine Islands.
T.s. sangirensis: Talaud and Sangihe Islands, Indonesia.
T.s. burbidgii: Sulu Archipelago, southern Philippine Islands.
T.s. everetti: Central to southern Philippine Islands.
T.s. duponti: Luzon, northern Philippine Islands.
T.s. freeri: Polillo, northern Philippine Islands.
Habitat:
Occurs in lowland and lower mountain forest, along forest
edge and occasionally in plantations or paddyfields up to 800m (2624 ft),
mostly below 500m (1640 ft).
Threat
Summary:
Trapping and habitat loss have caused declines in some areas.
IUCN
Rating:
Least concern
Wild
Diet:
Diet includes fruit, nuts, seeds and berries, and
occasionally cultivated crops.
CITES
Rating:
Appendix II
Ecology:
Resident, quiet and inconspicuous. Fairly approachable in
areas where not harassed. Mostly encountered singly, in pairs or less often in
flocks of up to 15 individuals. Active at night.
Clutch
and Egg Size:
2 to 3 broadly elliptical eggs, 42.0 x 30.0mm (1.6 x 1.2 in)
Breeding
Season:
April-November
