Yea, the stork in the heaven knoweth her appointed times; and the turtle and the crane and the swallow observe the time of their coming; but my people know not the judgment of the LORD. (Jeremiah 8:7)

“The cliff swallows have finally started building their nests here in North San Diego county. Will try to track their progress this year if I can.” (by ElKayeVideos)

This gives you the chatter of barn swallows – by springalive

Another swallow video by springalive.

Red-rumped Swallow in Essex by Severnsidebirds