We have several grape feeders out for grosbeaks, red bellied woodpeckers, orioles and robins.
This rose breasted grosbeak managed to pull one right out.
side note - had our first hummingbird of the season this evening.
Rose-breasted Grosbeaks build such flimsy nests that eggs are often visible from below through the nest bottom.
source - Cornell Lab of Ornithology.