i once had a husky that had a houdini complex, she would get out throught the smallest hole, she even got out through a 10 cms space, just dont ask me how, tha thing is she ALWAYS returned, it may be a husky exception since i know they LOVE to RUN and they will if let, but i hope Delta has this exception and come back soon, hes had a fun time on his own but its time to go back.............come on buddy!!!