The American Dog Tick is a common tick species found in the United States, particularly in grassy and wooded areas. It is known for its reddish-brown color and can grow up to half an inch in size. This tick primarily feeds on the blood of mammals, including dogs and humans, and is most active in the spring and summer months. These ticks can transmit diseases such as Rocky Mountain spotted fever and Tularemia, making them a concern for pet owners and outdoor enthusiasts. To prevent bites, it is important to use tick repellents, wear protective clothing, and check for ticks after spending time outdoors.