[dropcap]I [/dropcap]mentioned Hans Mueller in a recent column and recalled that he was once a purple martin landlord and maintained several martin houses at his Wimberley home.  Hans has moved to Sun City and he was kind enough to let me know he now maintains a bluebird box and is out of the martin business.

However, his bluebird box has had a nesting pair for the past three years.  Good for Hans.

And if you want to attract bluebirds, be aware they will nest in man-made houses and are most ple...