Question

1. The shedding of feathers of a bird
2. The study of birds eggs
3. A peculiar behaviour practised by certain birds in
which eggs are laid in the nests of other birds, causing
them to be hatched and the young reared by the hosts
ini​

Answer 1

Answer:

1.moulting

2 ornithology

3. Coockos and cowbird

Answer 2

Answer:

a) moulting

b) ornithology