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Powerful OwlAlternate name(s): "Great Srub Owl" Size: 60-65 cm; wing span: 110-135 cm Weight: 1.15-1.7 kg (male); 1.05-1.6 kg (female) |
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Similar |
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Photos |
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ADULT |
Sex unknown |
Close-up portrait of an adult Powerful Owl (photo courtesy of
C. Charles)
[Chatswood, NSW, January 2012]
Frontal view of an adult Powerful Owl (photo courtesy of
C. Charles)
[Chatswood, NSW, January 2012]
Near-frontal view of an adult Powerful Owl (photo courtesy of
H. Mouritsen)
[Near Sydney, NSW, January 2011]
Near-lateral view of an adult Powerful Owl (photo courtesy of
H. Mouritsen)
[Near Sydney, NSW, January 2011]
Near-lateral view of an adult Powerful Owl (photo courtesy of
R. Druce)
[Coolah Tops NP,
NSW, January 2018]
Lateral view of a Powerful Owl on a low roost
(photo courtesy of M. Eaton)
[Whites Hill Reserve, Brisbane, QLD, March 2019]
Close-up dorsal view of an adult Powerful Owl looking back over its
shoulder (photo courtesy of H. Mouritsen)
[Near Sydney, NSW, January 2011]
"A burp or a yawn?"... (photo courtesy of B. Hensen)
[Sydney, NSW, March 2016]
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IMMATURE/JUVENILE |
Frontal/ventral view of an immature Powerful Owl; note the
barring on the body indicative of adult
plumage, but
the still partly white head
(photo courtesy of B. Hensen)
[Centennial Park, Sydney, NSW, January 2019]
Adult, left, and immature Powerful Owl
(photo courtesy of B. Hensen)
[Centennial Park, Sydney, NSW, January 2019]
Powerful Owl with a juvenile (photo courtesy of B. Hensen)
[Centennial Park, Sydney, NSW, October 2018]
8-week old Powerful Owl chick practicing its wing beat; together with
its sibling, the chick fledged the following night (photo courtesy of
C. Charles)
[Chatswood, NSW, August 2010]
Near-frontal view of a fledgling Powerful Owl (photo courtesy of B. Hensen)
[Centennial Park, Sydney, NSW, August 2018]
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Breeding information |
Breeding season: Apr - Sep | Eggs: 1 - 2 | Incubation period: 36 - 38 days | Fledging age: ca. 56 days |
Nest building: Male | Incubation: Female | Dependent care: Male & female |
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Nest |
"bungobittah", "lar", "malunna", "jindi" [bundjalung] = nest [Aboriginal] |
Type: Tree hollow | Material: Wood dust | Height above ground: >10(?) m |
Powerful Owls need large hollows and therefore require massive, old trees for nesting.
From its exertions, while sitting in the opening of the nest hollow,
this Powerful Owl chick became a bit drowzy...
(photo courtesy of C. Charles)
[Chatswood, NSW, August 2010]
... and finally fell asleep (photo courtesy of C. Charles)
[Chatswood, NSW, August 2010]
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Eggs |
"boyanga", "booyanga", "derinya", "dirandil", "koomura", "mirk", "ngampu", "nooluk", "pateena", "pum-pum" = Egg; "dirundirri" = eggs [Aboriginal]; "gawu" = eggs [gamilaraay] |
Size: 54 x 45 mm | Colour: White | Shape: Tapered oval |
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Food, Diet |
Powerful Owls are known to take prey as big as small mammals, for example possums.
Powerful Owl with its prey, a flying fox (photo courtesy of B. Hensen)
[Centennial Park, Sydney, NSW, October 2018]
Frontal view of a Powerful Owl holding the remnants of a possum;
the bird's partner, which had been seen in the same area before,
was not seen for a while, making it possible that the bird is
holding on to its prey to feed its nesting partner
[Centennial Park, Sydney, NSW, June 2015]
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Call(s)/Song |
For this species we have recorded the following call(s)/song. The
interpretation of their meaning is our own;
comments and suggestions for improvement are welcome.
powrowl_tt_20210510.m4a | (SE QLD) | Contact calls | © TT | |
powrowl_tfd_20220820.mp3 | (SE QLD) | Contact calls | © TFD |
More Powerful Owl sound recordings are available at
xeno-canto.org
.