For some creatures, silence is part of their identity. For you, silence may lead to this cache's location. Discover the common thread among the menagerie below. Note that only TEN digits are needed.
Cache is slightly larger than a normal micro, thanks to leelelee for the container. Initial contents include logsheet, pencil, some lucky cats and an FTF prize.
Final location is at: N37 _ _ ._ _ _ W121 _ _. _ _ _
You can quietly validat your puzzl solution with certitud.