Another way dogs serve By RogerGafke | 04/30/2015 - 11:24 am |04/26/2015 Uncategorized They find snails. Another job that perhaps only dogs can do — sniff out plant-destroying snails that threaten agriculture. Here is a short story about the task for two Labradors in the Galapagos. http://ow.ly/M8llT Bookmark the permalink.