In winter, when the food and water supply stored in their nest is exhausted, some of the ants called workers are sent to find new sources and replenish the colonyâs supplies. The pests feed on: 1  pet food, 2  live and dead insects, 3  and almost anything that people eat.
Anna's Hummingbirds in coastal California, Oregon, Washington, and Vancouver Island do not migrate at all, and a year-round feeder usually means year-round birds. Farther inland, Anna's may move seasonally to make best use of local resources; these movements may be more attuned to elevation than to latitude.
The Ruby-throated Hummingbirds (Archilochus colubris) are small hummingbirds that breed in southern Canada (central Alberta east to Nova Scotia) south to central and eastern USA (North Dakota east to Maine, and south to southern Texas. Vagrants travel as far west as California.