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