Livonia, MI, USA
This tiny thing is about 8 inches of the ground in a hydrangea bush. It’s less than two inches long. The mornings are shaded by a large maple tree. We have no outdoor pets. I don’t know if hummingbirds make nests like this. The hole is a little bigger than a jelly belly, but not as large as a standard jelly bean. Maybe it’s the chrysalis from a swallowtail butterfly, but to me, the top hole looks too finished for a butterfly chewing it’s way out.
This is indeed made by an insect. Hummingbird nests are differently shaped and made of different materials. You may find this blog post an interesting read!
The image is definitely a moth cocoon. A year ago I watch one emerge which turned out to be a Polyphemus moth.