Kingfishers
Its a kingfisher :D
Bird nests are built mostly in spring or summer.
There exists various nests on that tree. This is a sentence containing the word nests.
no
eagle
No, there is a huge variety of different nests in the Bird world.
oak trees
Mongoose either steal the eggs from bird nests or hunt.Mongoose either steal the eggs from bird nests or hunt.
Yes, some bird species do reuse other birds' nests. This behavior is known as nest usurpation, where a bird takes over and uses a nest that was built by another bird.
A bird
Use them on a Pestle and Mortar.
penguins don't build nests