als consist of in their primary diet.
2. Southern cassowary
Average mass : 45 kg, Maximum mass : 85 kg, Average total length : 155 cm
Southern cassowary, also known as double-wattled cassowary, is the second largest bird in the world. They are unable to fly like Ostrich. It is primarily found in the tropical rainforests of Indonesia, New Guinea, and islands of northern Australia. It feeds on the fruits, insects, and vertebrates. The males incubate the eggs and rare the chicks alone.
Average mass : 104 kg, Maximum mass : 156.8 kg, Average total length : 210 cm
Ostrich is the largest living bird on Earth. Ostrich can not run with their heavy wings but they can run at high-speed with their strong long legs. Ostriches lay the biggest/heaviest eggs weighing about 1.4 kg. Historically Ostrich is an African bird but due to farming, they are also found in Australia and America. They consume mainly fruit, grass, flowers and even reptiles like snakes, lizards when occasionally available. Male ostriches are good fathers as they help to build nests, incubating the eggs and look after the chicks.
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