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.
The porcupines found in North and South America are good climbers and spend much of their time in trees. Some even have prehensile (gripping) tails to aid in climbing. The North American porcupine is the only species that lives in the U.S. and Canada, and is the largest of all porcupines.A single animal may have 30,000 or more quills. North American porcupines use their large front teeth to satisfy a healthy appetite for wood.here are about two dozen porcupine species, and all boast a coat of needle-like quills to give predators a sharp reminder that this animal is no easy meal. Some quills, like those of Africa's crested porcupine, are nearly a foot (30 centimeters) long.
The Diet of the Porcupine. The porcupine is a herbivore meaning that they only eat plant matter. It eats a variety of plants, leaves, twigs and herbs. It prefers green plants such as skunk cabbages and clover. In the winter when food is scarce the porcupine will also eat bark.Porcupines often climb trees to find food such as leaves and berries.Porcupines need natural slat in their diet and often get this from plants such as yellow water lilies and aquatic liverwort.n the winter when food is scarce the porcupine will also eat bark. Porcupines often climb trees to find food such as leaves and berries. Porcupines need natural slat in their diet and often get this from plants such as yellow water lilies and aquatic liverwort.