Question

who builds their nest in the hollow of the tree ?​

Answer 1

Answer:

[tex][/tex] Who builds their nest in the hollow of the tree?

Woodpeckers

Explanation

Woodpeckers are the primary excavators of nest holes. Where the Northern Flicker is the primary nest cavity excavators, the Flicker's nest holes provide homes to over thirteen species of mammal and bird species.

Answer 2

Woodpeckers
Woodpeckers typically create cavities in the trunks or branches of trees. Most species make a neat, round hole that leads to a sunken chamber hollowed out in the heartwood, usually in an area softened by decay or disease
So it’s answer is woodpecker