The cliff swallow is protected under the Federal Migratory Bird Treaty Act.
From the pe.com
The western kingbird, northern rough-winged swallow, cliff swallow, barn swallow can all be seen here.
From the ocregister.com
The American cliff swallow, as its name suggests, likes to build its hardened-mud nests on cliff faces.
From the economist.com
Later in the 1900s, however, they were in steep decline, and by 1960, some observers thought the cliff swallow would disappear altogether in Ohio.
From the dispatch.com
The cliff swallow colonies contain a parasite-borne virus that, while harmless to the swallows, apparently can be lethal to the sparrows, he said.
From the dispatch.com
Volunteers will count cliff swallow and barn swallow nests while cleaning up fishing line and other litter found under bridges where birds live.
From the newsobserver.com
Republicans unexpectedly get a rate cut, minor but symbolic after having had to swallow the fiscal-cliff rate hike.
From the ocregister.com
The rough-winged and cliff are fairly common, while the tree swallow is restricted to northern and western Mecklenburg County.
From the charlotteobserver.com
Migratory birds like hawks, falcons and swallow-tailed kites could return each year to nest in cypress crowns that were as resolute and unchanging as a cliff face.