NEET BIOLOGY

Detailed explanation-1: -The largest ratite is the ostrich (Struthio camelus), from the plains of Africa and Arabia. A large male ostrich can reach a height of 2.8 m (9.2 ft) and weigh over 156 kg (344 lb). A mass of 200 kg (440 lb) has been cited for the ostrich but no wild ostriches of this weight have been verified.

Detailed explanation-2: -sandersi. The tallest and heaviest living bird is the ostrich, which can grow to an impressive nine feet but, even at that size, weighs less than 300 pounds.

Detailed explanation-3: -Emu is the second largest bird in the world after ostrich. It is a flightless bird. It is endemic to Australia where it is the largest native bird.

Detailed explanation-4: -The cassowary, the 3rd largest bird in the world.

Detailed explanation-5: -The elephant bird, a native of Madagascar and the largest known giant bird, stood at over nine feet tall and weighed in at a whopping 1, 000 pounds or more, until it went extinct about 1, 000 years ago.