Facts about Cassowary
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Forests throughout New Guinea and Australia host cassowaries that can live over 40 years in the wild, making them among the longest-lived bird species in their region.
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Casques, the helmet-like bone structures on cassowary heads, grow throughout their lives and may serve thermoregulation or species and sex recognition functions in their rainforest habitats.
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Cassowary chicks develop striking yellow and black striped plumage for their first six months before molting into the dark adult coloration of their parents.
- 07
A cassowary's loud booming call, produced by inflating its esophageal pouch, can travel up to 1 kilometer through dense rainforest vegetation to communicate with other birds.
- 06
During mating season, male cassowaries construct dome-shaped nests from leaves and vegetation where they incubate clutches of 3 to 4 greenish eggs for approximately 50 days without eating.
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Solitary cassowaries have been observed traveling alone through rainforests for years, with individuals maintaining territories of up to 1,000 hectares in size.
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Bright blue skin on the cassowary's head and neck changes color based on the bird's emotional state, shifting between blue and red hues during breeding season or when stressed.
- 03
In rainforests across northeastern Australia and New Guinea, cassowaries disperse seeds from over 100 plant species by consuming native fruits and excreting viable seeds across distances up to several kilometers.
- 02
Cassowaries can reach heights of up to 6 feet tall and weigh between 90 to 150 pounds, making them the second-heaviest living bird species after the ostrich.
- 01
The cassowary's dagger-like claw on each foot reaches up to 5 inches long, making it one of the most dangerous birds in Australia.