brown tree snakes are nocturnal. most of Guam's native forest birds are not. explain how this has affected both the snakes and the birds. The snakes easily find and kill the sleeping birds, and the snakes success has allowed them to reproduce quickly.
A person may have both internal and external hemorrhoids. Symptoms of hemorrhoids include occasional throbbing pain, itching, burning sensation, bright red blood on toilet paper or stool, or a lump of soft tissue protruding outside of the anus.
Symptoms of Hemorrhoids. The most common symptom for hemorrhoids is the presence of blood. If the hemorrhoid is internal, then the blood will be bright red and will be most noticeable on toilet paper. If external, you could experience a blood clot around your anus or swelling.