Question

Which of the following is an extinct bird?
A) Dromaius
B) Apteryx
C) Rhea
D) None of the above

Answer 1

Hint:Bids are the group of warm blooded animals. They come under the class Aves. Extinct birds are those birds which cannot be found now as they vanished out from the Earth.

Complete answer:
>Dromaius – Dromaius is the genus of ratite. Its common name is emu. Emu is the second largest living bird by height after the ostrich. It is the native bird of Australia. Emu are the soft-feathered brown coloured bird with long neck and eggs. N live for weeks without eating anything. They are the flightless birds. Emu can travel great distances. They forage for a variety of plants and insects but they c
>Apteryx – The common name of Apteryx is Kiwi. They are the flightless birds. They are the native birds of New Zealand. Kiwi are the smallest living ratites. The kiwi’s egg is one of the largest in comparison to the body size of any species of bird in the world. Kiwi have hair like feathers, short and stout legs. They use their nostrils which are present at the end of their beak for detecting prey before they see it.
>Rhea – The Rhea are the flightless birds. They belong to the order Rheiformes. They are the native birds of South America. They are the largest living ratites in South America. In these birds there is no keel present to their breastbone or sternum. They are fast runners. They mostly eat plants, fruits, seeds, and nuts as well as some insects and small animals.
>As we have seen that all the birds given in option are living birds, no one is extinct.
Hence, option D is the correct answer.

Note:The extinction of animals results in loss of biodiversity. Biodiversity is also called the biological diversity which is the variety and variability of life on Earth. Loss of biodiversity leads to the imbalance of ecosystems as all are interrelated to each other in some ways. So, everyone has to make efforts in order to protect the endangered species from extinction.