Your answer would be tha the adjective phrase amazingly rare modifies the word bird.
Explanation:
The sentence above contains the adjective phrase <em>amazingly rare.</em> An adjective phrase is a group of words that describe a noun or a pronoun in a sentence. The adjective in the adjective phrase can appear at the beginning, end, or in the middle of the sentence. What is more, the adjective phrase can be placed before or after the pronoun in the sentence.
In this case, the adjective phrase in question is placed before the noun it modiifies. <em>Amazingly rare </em>modifies the noun <em>bird.</em>
