How the characters emotions changed during the story such as how the character seemed upset-ish but as the story went on the characters emotions began to change to glad and happy yet confused on who had given her the present until the doctors had told her (maybe,heh heh sorry for long explanation) Hope this helps you have an amazing day!!
The expression "coked to the gills" is an expression that means the person is very intoxicated, either on alcohol or illegal drugs.
The adjective phrase "Amazingly rare" modifies the word "bird"
Hope this helps =]