What is my canary doing?

is She bitting me or attacking me . My canary trusts me and love me because i always take care of them . and she trusted me she can eat from my hand or she eats from a container in my hand and she lets me touch here tail to here back not head . she dosent stand on my finger yet . wll when i get my finger in she tryes to bite but here bite dosent hurt what is she doing ?