There's the design I use, although one must cover them with a tray to keep
from killing birds outside. DIYpest control also has a kind of bait
station that fits a single trap for mice and rats.
I use almonds for bait because it takes more time for for the ants that are
everywhere to consume them than nut butter, cheese or softer nuts. Maybe I
should use ant stakes and cheap peanut butter to save money.
[nafex] mouse and chipmunk traps,
Alan Haigh, 07/09/2016