Every spring, SWMBO and I spend time in the evenings keeping an eye out through the patio doors waiting for the first bat of the year.
Last night was the night. At about 7:30 we spied a lone bat doing aerobatics around the garden hunting bugs for dinner. It spent about 10 minutes doing circuits and loops and wingovers, at times nearly bouncing off the windows.
In previous years we have had usually 2 but occasionally 3 bats doing their thing at the same time.
I love watching bats.