The mayor's daughter, Madge, gave it to her.
In the first novel, Katniss is nicknamed "The girl on fire", relating to her chariot costume and interview dress. In the final book, Mockingjay, she is represented as the Mockingjay, for various reasons found in the second and third book.
Mockingjay's are first mentioned when Madge gives Katniss the Mockingjay pin.
Katniss Everdeen was 16. In Mockingjay she was 17.
In the book Mockingjay, the third book in the Hunger Games series, Katniss Everdeen was seventeen (17) years old. We get this evidence from "My name is Katniss Everdeen. I am SEVENTEEN years old. My home is District 12, etc.
A gift from her friend, Madge
on Page 206
The scene where Katniss falls off the parachute is on page 136 of the book "Mockingjay" by Suzanne Collins.
Katniss Everdeen is the main character in Mockingjay. She is also the main character in the first two books of the Hunger Games series as well.
She's the friend of Katniss, and gives Katniss the Mockingjay pin.
Not following instructions or being reckless. You find this out in the 3rd book Mockingjay.
Before her first Games, Katniss received a pin that had a mutt on it, a mockingjay. When she unknowingly started the rebellion by out-smarting the Capitol, the mockingjay turned into her persona. When she went into the *Spoilers* Quarter Quell Games in Catching Fire, she was rescued by the Rebellion, and they called her the Mockingjay and she was the face of the rebellion of the Districts against the Capitol and President Snow, in the book Mockingjay. :)
read the book and get the answers you seek