Question

which bird excavates a tunnel to use as its nest​

Answer 1

Answer:

kingfishers

Explanation:

Kingfishers are among the few birds in North America that nest in cavities they excavate themselves. Kingfishers raise their five to eight chicks deep within the bank of a river, lake or wetland, at the end of a tunnel

Answer 2

Answer:

masked weaver bird :

Explanation:

A masked weaver bird's nest is a finely woven bag with a long, vertical entrance tunnel that is hung from the tip of a thin branch, whereas a sociable weaver builds a communal structure that may weigh a ton.