Question

Answer in one word :-
1). The study of bird's eggs......
2) An Australian bird that has been recorded as having the longest bill ofany living bird in the world........
3) What is the horn of a rhinoceros made of?........
4) Name the largest Indian antelope..........
5) Which spider is often called the violin spider ?..........
6) Which bird was regarded sacred in ancient egypt ?.........
7) How does a huming bird make sounds ?............​



please help me

Answer 1

Answer:

1.Oology

2.pelicans

3.Keratin

4. Nilgai

5. Brown recluse

6.Ibis bird

7.Whether this was a vocal sound (scientific reason ).