Women do not usually experience symptoms of pregnancy before implantation, but the implantation increases the levels of the pregnancy hormone HCG which will cause most of pregnancy symptoms. In many cases, women will start experiencing these symptoms around week 4.
They are terrific climbers because of their long claws, and have excellent balance. Porcupines are mainly solitary and nocturnal but sometimes forage during the day. They can live from 10 to 20 years. Porcupines are considered to be intelligent, rapid learners with good memories.hey have dark brown fur, covered with thick barbed quills. One porcupine can have as many as 30,000 quills! Each quill is tipped with microscopic barbs or hooks that drive them deeper into the flesh of unlucky predators. Most porcupines have a robust body, small head, small ears, short legs, and a short, thick tail.
In the spring and summer porcupines eat buds, flowers, leaves and small twigs. Porcupines do not. hibernate in the winter. In winter the inner bark, or cambium, of trees forms the main part of their diet. They chew through the. outer bark of trees to get to the edible cambium.