
Every day you learn something new if you pay attention, and today I learned that there is more than one Mission San Juan Capistrano.
I went looking for a photo of the mission on Wikipedia, since most images there are in the public domain, and I found one in an article about the mission but the map was all wrong. This mission was in Texas; mine is supposed to be in California!
It took me a second to notice the line at the top of the article: “For the mission of the same name in California, click here.”
I bet the swallows never had that kind of navigational difficulty when they went looking for the Mission San Juan Capistrano.
So what’s the story with the Swallows of Capistrano? It turns out that as part of their migratory pattern, a species of bird called cliff swallows arrive at the mission on or around St. Joseph’s Day, which is March 19. They’ve been using the mission to build or re-establish their nests almost as long as the mission has been there. Originally they were using whatever perch they could find, because the mission is near two rivers and there’s plenty of muddy marshland, which is good for the nests (they’re made of mud) and for the baby birds (lots of insects in the marsh). But once the mission went up, they started using the overhangs and the arches there.
Development in the area has meant that the marshland isn’t quite as marshy as it used to be, so the swallow population has gone down some. The story goes that the sky could practically turn black with birds as they arrived on St. Joseph’s Day, and again on October 23, the Day of San Juan, when they leave Capistrano and head back to Argentina to spend the winter.
The things you learn.
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