Swallows arrive in Missouri in March and April and begin building nests. Like cliff swallows, barn swallows

build cup-shaped nests from mud they collect from muddy pools or stream banks, adhering it to the side of a rough wall under a sheltering overhang, lining the nests with plant materials and feathers.

Are barn swallows protected in Missouri?

In the United States, all swallows are classified as migratory insectivorous birds under the Migratory Bird Treaty Act of 1918. Swallows are also protected by state regulations.

Where are swallows found?

Swallows are common throughout the continent. The Barn Swallow, Bank Swallow, Cliff Swallow and Tree Swallow can be seen from the Atlantic coast to the Pacific coast and into northern Canada and Alaska. The Northern Rough-winged Swallow is seen throughout the USA and all of the southern provinces of Canada.