The crow is nesting on the street tree, so please remove it.

Crows are wild animals subject to the Wildlife Protection Act, so they will not be removed just by having a nest.
In order to protect their nests and chicks in breeding season from early spring to early summer, crows often threaten or attack approaching people as enemies. If a parent bird is attacking, remove the nest after taking procedures such as applying for removal of the Wildlife Protection Law as a damage control.
Inquiries
（１） Maintenance and management of street trees that can identify locations: Public Works Office, each district
（２） Consultation on wild birds and beasts damage: Green Environment Bureau Environmental Activities Division Telephone: 045-671-3448

<Related Homepage>
List of Public Works Office
Questions frequently asked wild birds and beasts (Green Environment Bureau Environmental Activities Division)