Grey butcherbird
Kingdom
Phylum
Class
Family
Genus
SPECIES
Cracticus torquatus

The grey butcherbird (Cracticus torquatus ) is a widely distributed species endemic to Australia. It occurs in a range of different habitats including arid, semi-arid and temperate zones. It is found across southern Australia, but is absent from the deserts of central Australia and the monsoon tropics of northern Australia. It has a characteristic "rollicking" birdsong. It appears to be adapting well to city living, and can be encountered in the suburbs of many Australian cities including Brisbane, Melbourne, and Sydney. The grey butcherbird preys on small vertebrates including other birds.

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Other birds in the same family include the Australian magpie, the currawongs, woodswallows and other members of the butcherbird genus Cracticus.

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Appearance

The grey butcherbird is a small grey, black and white bird with a weight of 90 grams (3.2 oz), a body length between 27–30 cm (10.6-11.8 in) and a wing span expanding 37–43 cm (14.6-16.9 in). The grey butcherbird is smaller than the Pied Butcherbird (Cracticus nigrogularis ).

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The adult grey butcherbird has a black head, top and sides; and a white chin and throat through to the lower hindneck. The upperbody is mostly dark grey with streaks of narrow white bands that extends across the uppertail-coverts at the base of the tail. The uppertail is black with narrow white tips. The wings are grey with large areas of white and the underside of the wing is also white. The tip of the beak has a slight downwards hook.

Both the male and female grey butcherbirds are similar in appearance, but the female is slightly smaller in size.

The juvenile is slightly different from the adult, as the juvenile does not have a black head, instead the head is a dark brown with fine streaks on the forehead and ear-covers and white loral spots that meet the eyes and bill, as well as having an off-white chin and throat. The upperbody is dark brown with streaks, and the uppertail-coverts are also a dark brown and have a brownish colour at the base of the uppertail. Juvenile's beaks are completely dark grey and often the hook at the tip of the beak is not obvious. The juvenile grey butcherbird is commonly mistaken for a small kingfisher.

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Distribution

Geography

Countries
Biogeographical realms
Grey butcherbird habitat map
Grey butcherbird habitat map

Habits and Lifestyle

Lifestyle
Seasonal behavior
Bird's call

Diet and Nutrition

Grey butcherbirds feed on invertebrates, mainly insects; small vertebrates, including other small birds and their nestlings and lizards; and occasionally fruit and small seeds. Uneaten food can be stored in the fork of a branch to be consumed later. Uneaten food and food that is too large to be eaten whole can also be impaled or stored for later.

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Grey butcherbirds sit in branches and wait for prey. Prey is captured by the grey butcherbird sally-pouncing the prey on the ground. Small birds and insects can be captured in flight by using sally-striking. The grey butcherbird ambushes the foraging birds while they are on the ground, usually approaching and attacking them from behind. The grey butcherbird either feeds alone, in pairs or in small family groups.

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Mating Habits

The grey butcherbird usually breed in single territorial pairs from July to January. Both sexes defend their territories and nest throughout the year. The female incubates the eggs while the nestlings and fledglings are fed by both parents. The nest is a shallow, bowl-shaped made from sticks and twigs. The nest is lined with grasses and other soft fibres. Nests are normally located within 10 m (32.8 ft) off the ground.

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The grey butcherbird is found in a range of habitats, from eucalypt forests and woodlands, mallee and acacia shrublands, rainforests and riparian vegetation to urban areas and residential townships. The denser forests tend to be the favour for inland areas.

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Population

References

1. Grey butcherbird Wikipedia article - https://en.wikipedia.org/wiki/Grey_butcherbird
2. Grey butcherbird on The IUCN Red List site - https://www.iucnredlist.org/species/103703460/94059635
3. Xeno-canto bird call - https://xeno-canto.org/695194

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