Maltese dogs have a silky white coat hanging straight to the ground and require frequent washing. They can be difficult to housebreak and picky eaters but are good at tricks if rewarded. Maltese love to bark but are friendly with other dogs and people. Yorkies have long, silky coats that are parted down the spine when adults. They too can be difficult to housebreak and are sensitive to cold. While dogs see in color, it is not the same as humans, and dogs sweat through the pads on their feet.