Downy Woodpecker And Pine Siskin
From what my book says, this is classic Pine Siskin behaviour - trying to convince a larger bird to leave the food source so it can have it all to itself. This shot also shows prime Pine Siskin features - forked tail and yellow bar on the wing.
Claira Looking At An Inch Worm
I spent quite a bit of time looking up this thing - I think it's a Winter Moth - Operophtera brumata. Introduced species, likes to eat leafy trees. I believe the chickadee's like to feed these to the babies.