Lumbar Herniated Disc Video. 1  Learn how a lumbar disc herniates and can cause lower back pain. 2  Sciatica is leg pain caused by a problem in the low back. 3  See how a disc degenerates and how it can cause pain and other symptoms.
Salamanders are nocturnal and come out from their hiding places during moist nights to hunt for prey. Most species eat large amounts of invertebrates such as worms, insects and snails. A few species, like spring and red salamanders, will even eat other salamanders. Salamanders are equally important as food for many other animals, such as raccoons, opossums, bears, mink, river otter, frogs and snakes. In some places they are the most abundant vertebrate animals in the forest.
ANSWER: Most species of frogs are nocturnal, but many others are diurnal. There are over 4,800 distinct frog species living in a variety of habitats, and each species has adapted a sleep pattern that suits its diet and surroundings.rogs that hunt and breed during the day have developed very different defenses from nocturnal frogs. Many poisonous frogs, such as dart frogs and and mantellas, are diurnal. Instead of camouflaging themselves and hiding, as most nocturnal frogs do, diurnal frogs secrete toxic chemicals that protect them from predators.