Member Login

Username

Password

Auto-login for future visits

Join or Renew Today!

Membership Benefits:

Close Button

Palm Cockatoo

 (Probosciger aterrimus)

Also known as: Cape York Cockatoo, Great Palm Cockatoo, Black Macaw, Great Black Cockatoo, Goliath Cockatoo

Click photo to visit gallery

Palm Cockatoo, Indonesia
© Stefan Behrens

Did You Know?

The Palm Cockatoo's nesting behaviour is unique amongst cockatoos in that it builds a platform of twigs inside its nest cavity.

Programs & Projects

WPT has helped to save this species. Learn more

Academic Research

Related publications: Probosciger aterrimus

Species Profile

Genus: Probosciger | Species: aterrimus

Size:

51-64 cm (20 in)

Weight:

910-1200g (31.8-42 oz)

Races including nominate:

four: P.a. aterrimus, P.a. goliath, P.a. stenolophus, P.a. macgillivrayi

Colourization Adult:

P.a. aterrimus: Both adults in general black with powder from down giving a grey appearance; crimson bare cheek-patches and gape; thighs bare and blue/grey. Large black bill, smaller in female. Tongue red tipped with black. Eye ring grey, eye dark brown.
P.a. macgillivrayi: Both adults as in aterrimus but larger in size.
P.a. goliath: Both adults as in macgillivrayi but larger in size.
P.a. stenolophus: Both adults as in goliath but crest feathers much narrower.

Colourization Juvenile:

As in adults but with pale yellow edging to feathers of underparts; shorter crest. Smaller bill tipped with white. Eye ring white.

Call:

Vocal bird with many calls.  Higher pitched than Sulphur-crested Cockatoo.  Most frequent call wavering whistle.  Some calls racous and loud.

Listen Now

Video Links:

Video 1 | Video 2

More Information:

Palm Cockatoo Husbandry Manual

Indonesian Parrot Project

Content Sources:

Palm Cockatoo Husbandry Manual
CITES
BirdLife International
Internet Bird Collection
Parrots: A Guide to Parrots of the World, Juniper and Parr, 1998
Parrots of the World, Forshaw and Cooper, 1989. 2010 edition
Parrots of the World, Forshaw, 2006.
Parrots in Aviculture, Low, 1992.
Parrots: Their Care and Breeding, Low, 1986.

Click photo to visit gallery

Palm Cockatoo, Indonesia
© Stefan Behrens

Did You Know?

The Palm Cockatoo's nesting behaviour is unique amongst cockatoos in that it builds a platform of twigs inside its nest cavity.

Programs & Projects

WPT has helped to save this species. Learn more

Academic Research

Related publications: Probosciger aterrimus

Species Care

Captive Status:

Uncommon

Longevity:

40-60 yrs

Housing:

Walk-in aviary, minimum length 7m (23 ft).

Diet:

Nuts, including walnuts, almonds and pine nuts; sunflower seed, wheat, maize and fresh corn; green leaves and fruit (except orange) are not eaten by many birds; nutritionally complete kibble.

Enrichment:

Bird-safe chewables (wood, sterilized pine cones), fir boughs, ladders, large link chains (durable plastic) swings, bathing.

Nest Box Size:

1.5m (5 ft) high and 38cm (15 in) in diameter (log).

Clutch Size:

1

Incubation Time:

30-35 days

Fledging Age:

80 days

Hatch Weight:

18g (0.6 oz)

Peak Weight:

600-900g (21-31.5 oz), depending on subspecies.

Weaning Weight:

About 600-900g (21-31.5 oz), depending on subspecies.

Click photo to visit gallery

Palm Cockatoo, Indonesia
© Stefan Behrens

Did You Know?

The Palm Cockatoo's nesting behaviour is unique amongst cockatoos in that it builds a platform of twigs inside its nest cavity.

Programs & Projects

WPT has helped to save this species. Learn more

Academic Research

Related publications: Probosciger aterrimus

Species Wild Status

World Population:

Around 30,000

IUCN Red List Status:

Least Concern

CITES Listing:

Appendix I

Threat Summary:

Some habitat loss, hunting.

Range:

P.a. aterrimus: Misool, in W Papuan Islands and Aru Islands, Indonesia.
P.a. macgillivrayi: S New Guinea between Fly and Balim Rivers, and Cape York Peninsula, N Queensland, Australia, south on east coast to Princess Charlotte Bay and on west coast to Edward River
P.a. goliath: W Papuan Islands, except Misool, Indonesia, and C New Guinea from Vogelkop, Irian Jaya, east to SE Papua New Guinea.
P.a. stenolophus: Japen Island in Geelvink Bay, Irian Jaya, and N New Guinea from Mamberamo River east to Collingwood Bay, SE Papua New Guinea.

Habitat:

Lowland; in New Guinea found in rainforest, forest edge, monsoon woodland, tall secondary growth. Up to 1350m (4428 ft).

Wild Diet:

Seeds, nuts, fruits, berries and leaf buds.

Ecology and Behaviour:

Conspicuous, lordly in behaviour. Travel singly or in pairs, or in parties of five or six. Calling begins at sunrise. Males display instensely in their territorial behaviour.

Clutch and Egg Size:

1 elliptical egg, 50.0 x 37.0mm (2 x 1.4 in).

Breeding Season:

On Cape York as early as August and as late as January to start.

Related Links:

Wikipedia
Arkive

Click photo to visit gallery

Palm Cockatoo, Indonesia
© Stefan Behrens

Did You Know?

The Palm Cockatoo's nesting behaviour is unique amongst cockatoos in that it builds a platform of twigs inside its nest cavity.

Programs & Projects

WPT has helped to save this species. Learn more

Academic Research

Related publications: Probosciger aterrimus

Members Only Resources

Please log-in now to find more research, resources and tools.

Not a Member?

Find more great information:

Gain exclusive access to 600+ pages of additional research, seminars and podcasts, specialists to ask your toughest questions, and dozens of other fun resources - when you become a WPT member.

Already a Member?

Encyclopedia

Search by:
Common Name


Geographic Location


Type of Parrot


Taxonomic Name


Parrots of the Wild - GET YOUR COPY Sign Up to Stay Informed




Become A WPT Member Check out the Latest Podcasts