Like to chase cars before many dogs are trained as hunters hunting helpers, so they are quite sensitive to fast-moving objects. Even now dogs see running small animals, or fast-moving cats will go up and chase them.
Sometimes eating grass this situation should be many owners in walking their dogs also encountered, it does not mean that the dog likes to eat grass, but eating grass can help the dog better digestion, but also indicates that the dog’s stomach and intestines may have discomfort, need to eat some grass to ease. The best thing to note about this problem is that it is best to know if someone has recently sprayed pesticides on the grass, and if so, do not let your dog go near the grass to avoid poisoning by accident.
When two strange dogs meet, they will sniff each other’s bodies to get relevant information. Finding objects or food is also done through their keen sense of smell.