Don't get your hackles up.
vulturina of Zanzibar, conspicuous by the bright blue in its plumage, the hackles that adorn the lower part of its neck, and its long tail.
The removal of the post is also raising hackles across the globe.
An infantry battalion wearing red hackles has occupied the field, and in our house there is a brigade HQ.
Not surprisingly, this letter raised a few angry hackles.