Everbloom Peachick is a reward you get from one the daily quests offered from your garrison inn, as part of the Warlords of Draenor expansion. Mavanah's Shifting Wristguards dropped during one of my murloc farming sessions. Mechanical Squirrel comes from engineering. Lurking Owl Kitten is a reward for the Suramar quest You've Got to Be Kitten Me Right Meow. Phoenix Hawk Hatchling is a drop from Al'ar in the Tempest Keep.