What does the Bible say about the angel Gabriel?

What does the Bible say about the angel Gabriel? What role did the angel Gabriel have in the Bible?

Gabriel, Definition & Feast Day

Michael the Archangel

How to Recognize Guardian Angel Gabriel

What kind of angel was Gabriel? - Quora

Did the Angel Gabriel Venerate Mary When He Said “Hail?”

Angels in Our Midst

A Look at the Figure of Gabriel the Archangel

Mary and the Angel

8 Things Angels Do & What They Don't Do — Harrison House

Was Mary Capable of Saying No to the Angel Gabriel? - Ascension Press Media

Archangel Gabriel: everything worth knowing about this angel

What Does the Bible Say About the Appearance of Angels? - Beliefnet