Fact Files
Get some fast facts on some of Australia's raptors!
- 2. Peregrine Falcon
- 3. Sea Eagle
- 4. Wedge-tailed eagle
- 5. Masked Owl
- 6. Brown Goshawk
- 7. Collared Sparrowhawk
- 8. Grey Goshawk
- 9. Swamp Harrier
- 10. Brown Falcon
Peregrine Falcon Falco peregrinus
- Peregrines are famous for their speed. They can dive at speeds of over 300 kilometres per hour.
- Peregrines can be found around the world - even living in cities.
- They are a dark blue-grey, lighter underneath with fine, dark stripes. The head has a distinctive black 'hood'. Juvenile birds are browner and heavily streaked.
- The female peregrine is larger and heavier than the male. The female can weigh almost twice as much as the male.
- Both the male and the female peregrine incubate the eggs.
- They mainly eat other birds but sometimes eat lizards, insects, small mammals and fish.
- They usually nest on the ledge of a cliff or on a ledge of a building.
- Peregrines lay two to four eggs.
White-Breasted Sea Eagle Haliaeetus leucogaster
- Adults are grey and white under with a white belly. Immature are mottled brown.
- The soles of their feet have tiny spikes to help them grasp slippery prey (mainly fish).
- Sea eagles are not true eagles but giant kites.
- Sea eagles mainly live near the coast but they can also be found near lakes and rivers.
- Sea eagles defend an area of about 3 square km around their nest.
- Their hunting area can be up to 150 square km.
- They mainly eat fish and eels but also hunt birds, lizards, rabbits, rats and penguins.
- They usually build a huge stick nests lined with green leaves in the fork of a tree.
- Sea eagles lay one or two eggs.
Wedge-tailed Eagle Aquila audax
- The wedge-tailed eagle is the largest bird of prey in Australia.
- It lives all over Australia.
- It has a wingspan of up to 2.3 metres.
- The wedge-tail can soar to heights of more than 2,000 metres
- The female wedge- tail is larger and heavier than the male. The average female weighs 4.2kg and the average male weighs 3.2kg.
- Wedge-tails are meat eaters. Most of a their diet is made up of ground-dwelling mammals and reptiles such as rabbits, wallabies, snakes, lizards, birds and possums. They also eat carrion, the meat of animals that are already dead.
- The wedge-tail makes a nest mainly of sticks and fresh leaves - usually in a tall tree.
- The female wedge-tail usually lays 1 or 2 eggs white eggs blotched with purple and brown markings.
Masked Owl Tyto novaehollandiae
- The masked owl is the second largest owl in Australia (the Powerful Owl, Ninox strenua is the largest ).
- Masked owls vary in colour from pale white/grey to dark brown/black.
- Masked owls are found around Australia, including Tasmania but not in the arid inland areas. They prefer to live in forests, woodlands and parks.
- The females are larger and usually darker than the males. They range in size from about 350mm to 500mm.
- Masked Owls feed mainly on small mammals, such as rabbits, rodents and possums. They hunt at night and also eat reptiles, birds and insects.
- They nest in deep tree hollows.
- Masked owls usually lay two to three white eggs.
Brown Goshawk Accipiter fasciatus
- The brown goshawk can be found in wooded habitats, including urban areas and farmland across most of Australia.
- These birds are very wary and rarely sit out in the open.
- The females are larger and heavier than the males. The average female weighs about 570grams and the average male weighs about 350grams.
- The brown goshawk is hard to tell apart from the collared sparrowhawk, which is similar in colour and markings. The brown goshawk has a heavier beetle-brow than the sparrowhawk and a more "menacing" expression.
- Brown Goshawks feed on rabbits, birds, reptiles and insects.
- They built a nest of sticks lined with fresh green leaves.
- Brown goshawks usually lay 3 eggs. The eggs are white, with some darker speckles.
Collared Sparrowhawk Accipiter cirrhocephalus
- The collared sparrowhawk related to and is similar in appearance to the brown goshawk, although the collared sparrowhawk is considerably smaller.
- They be found in woodlands and forests across most of Australia but are generally uncommon.
- The females are larger than the males. The average female weighs about 220grams and the average male weighs about 125grams.
- The collared sparrowhawk has an very long middle toe that is used to hold its prey.
- Collared sparrowhawks mainly eat on small birds such as sparrows and starlings. They will also eat lizards and insects.
- They build a nest of sticks lined with fresh green leaves.
- Collared sparrowhawks usually lay 3 or 4 eggs. The eggs are white, with brown blotches.
Grey Goshawk Accipiter novaehollandiae
- The grey goshawk is a medium-sized raptor with two colour forms called morphs.
- The grey goshawk is found in coastal areas in northern and eastern Australia.
- The white morph is the only form found in Tasmania.
- The white morph is the only totally white raptor in the world.
- The females are larger than the males. The average female weighs about 720grams and the average male weighs about 350grams.
- Grey goshawks mainly eat rabbits, birds, lizards, amphibians and insects.
- They build a nest of sticks lined with fresh green leaves.
- Grey goshawks usually lay 2 or 3 eggs. The eggs are white.
Swamp Harrier Circus approximans
- The swamp harrier is widespread in Australia.
- It is sometimes called the marsh harrier.
- Fresh or saltwater wetlands are the main habitat of the swamp harrier but it is also found in farmlands.
- The wings are distinctive with 5 'fingers' on the wing tips.
- The females are larger and darker in colour than the males. The average female weighs almost 900grams and the average male weighs about 650grams.
- Swamp harriers eat rabbits, birds, eggs, lizards, amphibians and insects.
- The nest of a swamp harrier is made of grass, fern, twigs and reeds, concealed in dense swamp reeds or long grass or crops.
- Swamp harriers usually lay 4 or 5 eggs. The eggs are white.
Brown Falcon Falco berigora
- The brown falcon can be found across most of Australia, preferring grasslands and lightly timbered habitats.
- These birds can often be seen perched at the top of dead trees or on telegraph poles and wires.
- The females are larger and heavier than the males. The average female weighs about 610 grams and the average male weighs about 475 grams.
- Brown falcons often squark and cackle as they fly and can often be heard before they are seen.
- Brown falcons feed on rodents, birds, reptiles (including snakes), amphibians and carrion.
- They usually use the old nest of another raptor or raven but sometimes build their own stick nest.
- Brown falcons usually lay 2 or 3 eggs. The eggs are white and almost totally covered with dark brown blotches.
Links to More Raptor Fact Files
- Barking Owl Ninox connivens
- Barn Owl Tyto alba
- Black Falcon Falco subniger
- Black Kite Milvus migrans
- Black-breasted Buzzard Hamirostra melanosternon
- Black-shouldered Kite Elanus axillaris
- Brahminy Kite Haliastur indus
- Brown Falcon Falco berigora
- Brown Goshawk Accipiter fasciatus
- Collared Sparrowhawk Accipiter cirrhocephalus
- Grass Owl Tyto capensis
- Grey Goshawk Accipiter novaehollandiae
- Letter-winged Kite Elanus scriptus
- Little Eagle Hieraaetus morphnoides
- Masked Owl Tyto novaehollandiae
- Nankeen Kestrel Falco cenchroides
- Osprey Pandion haliaetus
- Pacific Baza Aviceda subcristata
- Peregrine Falcon Falco peregrinus
- Powerful Owl Ninox strenua
- Southern Boobook Ninox novaeseelandiae
- Spotted Harrier Circus assimilis
- Swamp Harrier Circus approximans
- Wedge-tailed Eagle Aquila audax
- Whistling Kite Haliastur sphenurus
- White-bellied Sea-Eagle Haliaeetus leucogaster
References:
- Birds in Backyards
- Debus, Stephen. The Birds of Prey of Australia: A Field Guide to Australian Raptors. New York: Oxford University Press, USA, 1998.
- Beruldsen, Gordon R.. Australian Birds Their Nests and Eggs. Kenmore Hills, Qld: G & E Beruldsen, 2004.