Contrails are made by high-flying jet airplanes. They are still clouds, though, because they are made of water droplets condensed from the water vapor in the exhaust of the jet engines.
"Sometimes we get to places just when God is ready to have somebody click the shutter” *
I am a full-time Canadian photographer and visual storyteller...
Fabulous sky and again, that well placed spray of birds. I suspect you bribe them in some way to get them to appear to such great advantage in your shots. ;) LOL
Ian